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4571 Nouns That End With S

Part of Speech:
Word Definitions Synonyms
ankylosaurus (noun) having the back covered with thick bony plates; thought to have walked with a sprawling gait resembling a lizard's Synonyms: ankylosaur
ankylosis (noun) abnormal adhesion and rigidity of the bones of a joint Synonyms: anchylosis
annals (noun) a chronological account of events in successive years Synonyms: chronological record
(noun) reports of the work of a society or learned body etc
annulus (noun) (Fungi) a remnant of the partial veil that in mature mushrooms surrounds the stem like a collar Synonyms: skirt
(noun) a toroidal shape Synonyms: anchor ring, doughnut, halo, ring
anoestrus (noun) applies to nonhuman mammals: a state or interval of sexual inactivity between two periods of estrus Synonyms: anestrum, anestrus, anoestrum
anomalops (noun) fish having a luminous organ beneath eye; of warm waters of the western Pacific and Puerto Rico Synonyms: flashlight fish
anomalousness (noun) deviation from the normal or common order or form or rule Synonyms: anomaly
answerableness (noun) responsibility to someone or for some activity Synonyms: accountability, answerability
anthesis (noun) the time and process of budding and unfolding of blossoms Synonyms: blossoming, efflorescence, florescence, flowering, inflorescence
anthracosis (noun) lung disease caused by inhaling coal dust Synonyms: black lung, black lung disease, coal miner's lung
anthropogenesis (noun) the evolution or genesis of the human race Synonyms: anthropogeny
anthropophagus (noun) a person who eats human flesh Synonyms: anthropophagite, cannibal, man-eater
antibiosis (noun) an association between organisms that is harmful to one of them or between organisms and a metabolic product of another
antimetathesis (noun) A rhetorical figure resulting from a reverted arrangement in the last clause of a sentence of the two principal words of the clause preceding; inversion of the members of an antithesis: as, "A poem is a speaking picture; a picture a mute poem".
antiphrasis (noun) the use of a word in a sense opposite to its normal sense (especially in irony)
antipodes (noun) any two places or regions on diametrically opposite sides of the Earth
antipyresis (noun) medication with antipyretics to treat a fever
antiquatedness (noun) The state or quality of being outmoded or discredited by reason of age, of being out of style or fashion.
antiqueness (noun) the quality or state of being in the style or fashion of former times.
antireligiousness (noun) The state or condition of being opposed to religion.
antisepsis (noun) the process of inhibiting the growth and multiplication of microorganisms Synonyms: asepsis
(noun) (of non-living objects) the state of being free of pathogenic organisms Synonyms: asepsis, sterileness, sterility
antithesis (noun) the juxtaposition of contrasting words or ideas to give a feeling of balance
(noun) exact opposite
antitrades (noun) wind in the upper atmosphere blowing above but in the opposite direction from the trade winds
anuresis (noun) inability to urinate Synonyms: anuria
anus (noun) the excretory opening at the end of the alimentary canal
anxiousness (noun) a feeling of mild anxiety about possible developments Synonyms: disquiet
(noun) (psychiatry) a relatively permanent state of worry and nervousness occurring in a variety of mental disorders, usually accompanied by compulsive behavior or attacks of panic Synonyms: anxiety
aortitis (noun) inflammation of the aorta
apatosaurus (noun) huge quadrupedal herbivorous dinosaur common in North America in the late Jurassic Synonyms: apatosaur, Apatosaurus excelsus, brontosaur, brontosaurus, thunder lizard
aphaeresis (noun) (linguistics) omission at the beginning of a word as in `coon' for `raccoon' or `till' for `until' Synonyms: apheresis
apheresis (noun) a procedure in which blood is drawn and separated into its components by dialysis; some are retained and the rest are returned to the donor by transfusion Synonyms: pheresis
(noun) (linguistics) omission at the beginning of a word as in `coon' for `raccoon' or `till' for `until' Synonyms: aphaeresis
aphesis (noun) the gradual disappearance of an initial (usually unstressed) vowel or syllable as in `squire' for `esquire'
apoapsis (noun) (astronomy) the point in an orbit farthest from the body being orbited Synonyms: point of apoapsis
apocryphalness (noun) The property of being of doubtful authenticity, of lacking authority, or of not being regarded as canonical.
(noun) The property of being of dubious veracity; of questionable accuracy or truthfulness.
apologetics (noun) the branch of theology that is concerned with the defense of Christian doctrines
apomixis (noun) any of several kinds of reproduction without fertilization
aponeurosis (noun) any of the deeper and thicker fascia that attach muscles to bones; resemble flattened tendons
apophasis (noun) mentioning something by saying it will not be mentioned
apophysis (noun) (anatomy) a natural outgrowth or projection on an organ or body part such as the process of a vertebra
(noun) (botany) a natural swelling or enlargement: at the base of the stalk or seta in certain mosses or on the cone scale of certain conifers
apoptosis (noun) a type of cell death in which the cell uses specialized cellular machinery to kill itself; a cell suicide mechanism that enables metazoans to control cell number and eliminate cells that threaten the animal's survival Synonyms: caspase-mediated cell death, programmed cell death
aposiopesis (noun) breaking off in the middle of a sentence (as by writers of realistic conversations)
apotheosis (noun) the elevation of a person (as to the status of a god) Synonyms: deification, exaltation
(noun) model of excellence or perfection of a kind; one having no equal Synonyms: ideal, nonesuch, nonpareil, nonsuch, paragon, saint
apparatus (noun) equipment designed to serve a specific function Synonyms: setup
(noun) (anatomy) a group of body parts that work together to perform a given function
apparentness (noun) the property of being apparent Synonyms: apparency
appealingness (noun) attractiveness that interests or pleases or stimulates Synonyms: appeal, charm
appendicitis (noun) inflammation of the vermiform appendix
appetisingness (noun) the property of stimulating the appetite Synonyms: appetizingness
appetizingness (noun) the property of stimulating the appetite Synonyms: appetisingness
appositeness (noun) appropriateness for the occasion Synonyms: aptness
appreciativeness (noun) warm friendly feelings of gratitude Synonyms: gratefulness, thankfulness
apprehensiveness (noun) fearful expectation or anticipation Synonyms: apprehension, dread
appropriateness (noun) the quality of being specially suitable
(noun) appropriate conduct; doing the right thing Synonyms: rightness
apsis (noun) a domed or vaulted recess or projection on a building especially the east end of a church; usually contains the altar Synonyms: apse
aptness (noun) appropriateness for the occasion Synonyms: appositeness
(noun) a disposition to behave in a certain way Synonyms: propensity
aquatics (noun) sports that involve bodies of water Synonyms: water sport
arbitrariness (noun) the trait of acting unpredictably and more from whim or caprice than from reason or judgment Synonyms: capriciousness, flightiness, whimsey, whimsicality, whimsy
arborvirus (noun) a large heterogeneous group of RNA viruses divisible into groups on the basis of the virions; they have been recovered from arthropods, bats, and rodents; most are borne by arthropods; they are linked by the epidemiologic concept of transmission between vertebrate hosts by arthropod vectors (mosquitoes, ticks, sandflies, midges, etc.) that feed on blood; they can cause mild fevers, hepatitis, hemorrhagic fever, and encephalitis Synonyms: arbovirus
arbovirus (noun) a large heterogeneous group of RNA viruses divisible into groups on the basis of the virions; they have been recovered from arthropods, bats, and rodents; most are borne by arthropods; they are linked by the epidemiologic concept of transmission between vertebrate hosts by arthropod vectors (mosquitoes, ticks, sandflies, midges, etc.) that feed on blood; they can cause mild fevers, hepatitis, hemorrhagic fever, and encephalitis Synonyms: arborvirus
arbutus (noun) any of several evergreen shrubs of the genus Arbutus of temperate Europe and America
arccos (noun) the inverse function of the cosine; the angle that has a cosine equal to a given number Synonyms: arc cosine, arccosine, inverse cosine
archaeornis (noun) extinct primitive toothed bird with a long feathered tail and three free clawed digits on each wing
archduchess (noun) a wife or widow of an archduke or a princess of the former ruling house of Austria
architectonics (noun) the science of architecture Synonyms: tectonics
architeuthis (noun) largest mollusk known about but never seen (to 60 feet long) Synonyms: giant squid
archives (noun) collection of records especially about an institution
archness (noun) inappropriate playfulness Synonyms: impertinence, perkiness, pertness, sauciness
arcus (noun) a whitish deposit in the shape of an arc that is sometimes seen in the cornea Synonyms: arcus senilis
arduousness (noun) extreme effortfulness Synonyms: strenuousness
arenavirus (noun) animal viruses belonging to the family Arenaviridae
argus (noun) large brilliantly patterned East Indian pheasant Synonyms: argus pheasant
aridness (noun) a deficiency of moisture (especially when resulting from a permanent absence of rainfall) Synonyms: aridity, thirstiness
arles (noun) money given by a buyer to a seller to bind a contract Synonyms: earnest money
arms (noun) weapons considered collectively Synonyms: implements of war, munition, weaponry, weapons system
(noun) the official symbols of a family, state, etc. Synonyms: blazon, blazonry, coat of arms
arquebus (noun) an obsolete firearm with a long barrel Synonyms: hackbut, hagbut, harquebus
arras (noun) a wall hanging of heavy handwoven fabric often with pictorial designs Synonyms: tapestry
arrears (noun) an unpaid overdue debt
(noun) the state of being behind in payments
arteriectasis (noun) an abnormal distension of an artery Synonyms: arteriectasia
arteriolosclerosis (noun) sclerosis of the arterioles
arteriosclerosis (noun) sclerosis of the arterial walls Synonyms: arterial sclerosis, coronary-artery disease, hardening of the arteries, induration of the arteries
arteritis (noun) inflammation of an artery
artfulness (noun) the quality of being adroit in taking unfair advantage
arthritis (noun) inflammation of a joint or joints
arthrocentesis (noun) removal of fluid from a joint by centesis
arthrodesis (noun) the surgical fixation of a joint which is intended to result in bone fusion
articulateness (noun) the quality of being facile in speech and writing Synonyms: fluency, volubility
artlessness (noun) ingenuousness by virtue of being free from artful deceit
(noun) the quality of innocent naivete Synonyms: ingenuousness, innocence, naturalness
arts (noun) studies intended to provide general knowledge and intellectual skills (rather than occupational or professional skills) Synonyms: humanistic discipline, humanities, liberal arts
asbestos (noun) a fibrous amphibole; used for making fireproof articles; inhaling fibers can cause asbestosis or lung cancer
asbestosis (noun) lung disease caused by inhaling asbestos particles
ascariasis (noun) infestation of the human intestine with Ascaris roundworms
ascesis (noun) rigorous self-denial and active self-restraint Synonyms: asceticism
ascites (noun) accumulation of serous fluid in peritoneal cavity
ascus (noun) saclike structure in which ascospores are formed through sexual reproduction of ascomycetes
asepsis (noun) the process of inhibiting the growth and multiplication of microorganisms Synonyms: antisepsis
(noun) (of non-living objects) the state of being free of pathogenic organisms Synonyms: antisepsis, sterileness, sterility
asparagus (noun) edible young shoots of the asparagus plant
(noun) plant whose succulent young shoots are cooked and eaten as a vegetable Synonyms: Asparagus officinales, edible asparagus
aspergillosis (noun) an opportunistic infection by a fungus of the genus Aspergillus; characterized by inflammation and lesions of the ear and other organs
(noun) disease especially in agricultural workers caused by inhalation of Aspergillus spores causing lumps in skin and ears and respiratory organs
(noun) severe respiratory disease of birds that takes the form of an acute rapidly fatal pneumonia in young chickens and turkeys Synonyms: brooder pneumonia
ass (noun) slang for sexual intercourse Synonyms: fuck, fucking, nookie, nooky, piece of ass, piece of tail, roll in the hay, screw, screwing, shag, shtup
(noun) hardy and sure-footed animal smaller and with longer ears than the horse
(noun) the fleshy part of the human body that you sit on Synonyms: arse, backside, behind, bottom, bum, buns, butt, buttocks, can, derriere, fanny, fundament, hind end, hindquarters, keister, nates, posterior, prat, rear, rear end, rump, seat, stern, tail, tail end, tooshie, tush
(noun) a pompous fool
assertiveness (noun) aggressive self-assurance; given to making bold assertions Synonyms: self-assertiveness
assets (noun) anything of material value or usefulness that is owned by a person or company
assiduousness (noun) great and constant diligence and attention Synonyms: assiduity, concentration
assizes (noun) the county courts of England (replaced in 1971 by Crown courts) Synonyms: court of assize, court of assize and nisi prius

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