| nosocomial | (adjective) taking place or originating in a hospital | - |
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| nosohusial | (adjective) taking place related or acquired under home healthcare | - |
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| nuptial | (adjective) of or relating to a wedding | Synonyms: bridal, spousal |
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| official | (adjective) having official authority or sanction | - |
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| (adjective) of or relating to an office | - |
| (adjective) verified officially | - |
| (adjective) (of a church) given official status as a national or state institution | - |
| (adjective) conforming to set usage, procedure, or discipline | Synonyms: prescribed |
| palatial | (adjective) relating to or being a palace | - |
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| (adjective) suitable for or like a palace | - |
| parochial | (adjective) relating to or supported by or located in a parish | - |
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| (adjective) narrowly restricted in outlook or scope | Synonyms: insular |
| partial | (adjective) showing favoritism | - |
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| (adjective) constituting or comprising a part or fraction of a possible whole or entirety | Synonyms: fractional |
| (adjective) (followed by `of' or `to') having a strong preference or liking for | Synonyms: fond |
| (adjective) being or affecting only a part; not total | - |
| participial | (adjective) of or relating to or consisting of participles | - |
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| patrimonial | (adjective) inherited or inheritable by established rules (usually legal rules) of descent | Synonyms: ancestral, hereditary, transmissible |
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| penial | (adjective) of or relating to the penis | Synonyms: penile |
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| penitential | (adjective) showing or constituting penance | Synonyms: penitentiary |
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| perennial | (adjective) lasting three seasons or more | - |
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| (adjective) recurring again and again | Synonyms: recurrent, repeated |
| (adjective) lasting an indefinitely long time; suggesting self-renewal | - |
| pericardial | (adjective) located around the heart or relating to or affecting the pericardium | Synonyms: pericardiac |
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| perithelial | (adjective) of or relating to the tissue layer around small blood vessels | - |
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| pestilential | (adjective) likely to spread and cause an epidemic disease | Synonyms: pestiferous, pestilent, plaguey |
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| phyllodial | (adjective) having a phyllode | - |
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| pictorial | (adjective) pertaining to or consisting of pictures | Synonyms: pictural |
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| (adjective) evoking lifelike images within the mind | Synonyms: graphic, lifelike, vivid |
| piscatorial | (adjective) relating to or characteristic of the activity of fishing | Synonyms: piscatory |
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| polynomial | (adjective) having the character of a polynomial | Synonyms: multinomial |
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| postglacial | (adjective) relating to or occurring during the time following a glacial period | - |
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| postindustrial | (adjective) of or relating to a society or economy marked by a lessened importance of manufacturing and an increase of services, information, and research | - |
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| postmillennial | (adjective) of or relating to the period following the millennium | - |
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| postnuptial | (adjective) relating to events after a marriage | - |
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| postprandial | (adjective) following a meal (especially dinner) | - |
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| potential | (adjective) existing in possibility | Synonyms: possible |
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| (adjective) expected to become or be; in prospect | Synonyms: likely |
| praetorial | (adjective) of or relating to a Roman praetor | Synonyms: praetorian, pretorial, pretorian |
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| prandial | (adjective) of or relating to a meal | - |
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| precedential | (adjective) having precedence (especially because of longer service) | - |
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| precocial | (adjective) (of hatchlings) covered with down and having eyes open; capable of leaving the nest within a few days | - |
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| precordial | (adjective) in front of the heart; involving the precordium | - |
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| prefatorial | (adjective) serving as an introduction or preface | Synonyms: introductory, prefatory |
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| preferential | (adjective) manifesting partiality | Synonyms: discriminatory |
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| prejudicial | (adjective) tending to favor preconceived ideas | Synonyms: prejudicious |
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| (adjective) (sometimes followed by `to') causing harm or injury | Synonyms: damaging, detrimental, prejudicious |
| prenuptial | (adjective) relating to events before a marriage | Synonyms: antenuptial, premarital |
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| preprandial | (adjective) preceding a meal (especially dinner) | - |
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| presidential | (adjective) befitting a president | - |
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| (adjective) relating to a president or presidency | - |
| pretorial | (adjective) of or relating to a Roman praetor | Synonyms: praetorial, praetorian, pretorian |
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| primordial | (adjective) having existed from the beginning; in an earliest or original stage or state | Synonyms: aboriginal, primaeval, primal, primeval |
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| professorial | (adjective) relating to or characteristic of professors | - |
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| proverbial | (adjective) of or relating to or resembling or expressed in a proverb | - |
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| (adjective) widely known and spoken of | - |
| providential | (adjective) relating to or characteristic of providence | - |
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| (adjective) peculiarly fortunate or appropriate; as if by divine intervention | Synonyms: heaven-sent, miraculous |
| (adjective) resulting from divine providence | Synonyms: divine |
| provincial | (adjective) characteristic of the provinces or their people | - |
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| (adjective) of or associated with a province | - |
| prudential | (adjective) arising from or characterized by prudence especially in business matters | - |
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| purgatorial | (adjective) of or resembling purgatory | - |
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| (adjective) serving to purge or rid of sin | Synonyms: purging, purifying |
| quincentennial | (adjective) of or relating to a 500th anniversary | Synonyms: quincentenary |
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| quintessential | (adjective) representing the perfect example of a class or quality | - |
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| racial | (adjective) of or characteristic of race or races or arising from differences among groups | - |
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| (adjective) of or related to genetically distinguished groups of people | - |
| radial | (adjective) relating to or moving along or having the direction of a radius | - |
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| (adjective) relating to or near the radius | - |
| (adjective) issuing in rays from a common center; relating to rays of light | - |
| (adjective) arranged like rays or radii; radiating from a common center | Synonyms: radiate, stellate |
| raptorial | (adjective) relating to or characteristic of birds of prey | - |
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| (adjective) living by preying on other animals especially by catching living prey | Synonyms: predatory, rapacious, ravening, vulturine, vulturous |
| referential | (adjective) referring or pointing to something | - |
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| remedial | (adjective) tending or intended to rectify or improve | - |
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| (adjective) tending to cure or restore to health | Synonyms: alterative, curative, healing, sanative, therapeutic |
| residential | (adjective) used or designed for residence or limited to residences | - |
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| (adjective) of or relating to or connected with residence | - |
| reverential | (adjective) feeling or manifesting veneration | Synonyms: respectful, venerating |
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| rickettsial | (adjective) relating to or caused by rickettsias | - |
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| sacrificial | (adjective) used in or connected with a sacrifice | - |
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| sapiential | (adjective) characterized by wisdom, especially the wisdom of God | - |
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| sartorial | (adjective) of or relating to a tailor or to tailoring | - |
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| (adjective) of or relating to the sartorius muscle | - |
| secretarial | (adjective) of or relating to a secretary or to a secretary's work | - |
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| sectorial | (adjective) relating to or resembling a sector | - |
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| semestrial | (adjective) occurring every six months or during every period of six months | Synonyms: semestral |
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| semicentennial | (adjective) of or relating to or marking the 50th anniversary | Synonyms: semicentenary |
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| semiofficial | (adjective) having some official authority or sanction | - |
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| semiterrestrial | (adjective) chiefly but not exclusively terrestrial | - |
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| senatorial | (adjective) of or relating to senators | - |
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| sensorial | (adjective) involving or derived from the senses | Synonyms: sensory |
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| sentential | (adjective) of or relating to a sentence | - |
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| sequential | (adjective) in regular succession without gaps | Synonyms: consecutive, sequent, serial, successive |
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| serial | (adjective) pertaining to or occurring in or producing a series | - |
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| (adjective) pertaining to or composed in serial technique | - |
| (adjective) of or relating to the sequential performance of multiple operations | Synonyms: in series, nonparallel |
| (adjective) in regular succession without gaps | Synonyms: consecutive, sequent, sequential, successive |
| social | (adjective) living together or enjoying life in communities or organized groups | - |
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| (adjective) relating to human society and its members | Synonyms: societal |
| (adjective) relating to or belonging to or characteristic of high society | - |
| (adjective) marked by friendly companionship with others | - |
| (adjective) tending to move or live together in groups or colonies of the same kind | - |
| (adjective) composed of sociable people or formed for the purpose of sociability | - |
| spacial | (adjective) pertaining to or involving or having the nature of space | Synonyms: spatial |
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| spatial | (adjective) pertaining to or involving or having the nature of space | Synonyms: spacial |
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| special | (adjective) for a special service or occasion | - |
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| (adjective) first and most important | Synonyms: particular |
| (adjective) adapted to or reserved for a particular purpose | - |
| (adjective) having a specific function or scope | Synonyms: limited |
| (adjective) surpassing what is common or usual or expected | Synonyms: especial, exceptional, particular |
| (adjective) added to a regular schedule | Synonyms: extra |
| (adjective) unique or specific to a person or thing or category | Synonyms: particular, peculiar |
| substantial | (adjective) having substance or capable of being treated as fact; not imaginary | Synonyms: material, real |
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| (adjective) of considerable importance, size, or worth | Synonyms: significant |
| (adjective) of or relating to the real nature or essential elements of something | Synonyms: substantive |
| (adjective) having an abundant supply of money or possessions of value | Synonyms: affluent, flush, loaded, moneyed, wealthy |
| (adjective) of good quality and condition; solidly built | Synonyms: solid, strong |
| (adjective) providing abundant nourishment | Synonyms: hearty, satisfying, solid, square |
| suctorial | (adjective) adapted for sucking or clinging by suction | - |
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| superficial | (adjective) concerned with or comprehending only what is apparent or obvious; not deep or penetrating emotionally or intellectually | - |
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| (adjective) of, affecting, or being on or near the surface | - |
| (adjective) hasty and without attention to detail; not thorough | Synonyms: casual, cursory, passing, perfunctory |
| (adjective) of little substance or significance | Synonyms: trivial |
| (adjective) occurring on or near the surface of the skin | - |
| surficial | (adjective) pertaining to or occurring on or near the earth's surface | - |
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| synovial | (adjective) relating to or secreting synovia | - |
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| tangential | (adjective) of or relating to or acting along or in the direction of a tangent | - |
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| (adjective) of superficial relevance if any | Synonyms: digressive |
| terrestrial | (adjective) operating or living or growing on land | - |
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| (adjective) of or relating to or inhabiting the land as opposed to the sea or air | Synonyms: tellurian, telluric, terrene |
| (adjective) of or relating to or characteristic of the planet Earth or its inhabitants | Synonyms: planetary |
| (adjective) of this earth | Synonyms: sublunar, sublunary |
| (adjective) concerned with the world or worldly matters | Synonyms: mundane |
| territorial | (adjective) belonging to the territory of any state or ruler | - |
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| (adjective) displaying territoriality; defending a territory from intruders | - |
| (adjective) of or relating to a territory | - |
| testimonial | (adjective) of or relating to or constituting testimony | - |
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| (adjective) expressing admiration or appreciation | - |
| tibial | (adjective) relating to or located near a tibia | - |
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| tonsorial | (adjective) of or relating to barbers and barbering | - |
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| torrential | (adjective) relating to or resulting from the action of a torrent | - |
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| (adjective) pouring in abundance | - |
| (adjective) resembling a torrent in force and abundance | - |
| tricentennial | (adjective) of or relating to or completing a period of 300 years | Synonyms: tricentenary |
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| triennial | (adjective) occurring every third year or lasting 3 years | - |
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| trivial | (adjective) concerned with trivialities | - |
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| (adjective) of little substance or significance | Synonyms: superficial |
| (adjective) (informal) small and of little importance | Synonyms: fiddling, footling, lilliputian, little, niggling, petty, picayune, piddling, piffling |
| tutorial | (adjective) of or relating to tutors or tutoring | - |
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| unceremonial | (adjective) without ceremony or formality | Synonyms: unceremonious |
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| uncial | (adjective) relating to or written in majuscule letters (which resemble modern capitals) | - |
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| uncommercial | (adjective) not conducive to commercial success | - |
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| uncongenial | (adjective) not suitable to your tastes or needs | Synonyms: incompatible |
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| (adjective) used of plant stock or scions; incapable of being grafted | - |
| (adjective) very unfavorable to life or growth | Synonyms: hostile, unfriendly |
| uncontroversial | (adjective) not likely to arouse controversy | Synonyms: noncontroversial |
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| uncordial | (adjective) lacking warmth or friendliness | - |
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| undeferential | (adjective) not showing courteous respect | - |
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| unessential | (adjective) not basic or fundamental | Synonyms: inessential |
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| unifacial | (adjective) having but one principal or specialized surface | - |
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| uninfluential | (adjective) not influential | - |
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| unofficial | (adjective) not having official authority or sanction | - |
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| (adjective) not officially established | - |
| unpresidential | (adjective) not presidential | - |
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