| underlie | (verb) be or form the base for | - |
|---|
| (verb) lie underneath | - |
| underline | (noun) a line drawn underneath (especially under written matter) | Synonyms: underscore |
|---|
| (verb) give extra weight to (a communication) | Synonyms: emphasise, emphasize, underscore |
| (verb) draw a line or lines underneath to call attention to | Synonyms: underscore |
| underling | (noun) an assistant subject to the authority or control of another | Synonyms: foot soldier, subordinate, subsidiary |
|---|
| underlip | (noun) the lower lip | - |
|---|
| underlying | (adjective) being or involving basic facts or principles | Synonyms: fundamental, rudimentary |
|---|
| (adjective) in the nature of something though not readily apparent | Synonyms: implicit in, inherent |
| (adjective) located beneath or below | - |
| undermanned | (adjective) inadequate in number of workers or assistants etc. | Synonyms: short-handed, short-staffed, understaffed |
|---|
| undermentioned | (adjective) about to be mentioned or specified | Synonyms: following |
|---|
| undermine | (verb) hollow out as if making a cave or opening | Synonyms: cave |
|---|
| (verb) destroy property or hinder normal operations | Synonyms: counteract, countermine, sabotage, subvert, weaken |
| underneath | (adverb) under or below an object or a surface; at a lower place or level; directly beneath | - |
|---|
| (adverb) on the lower or downward side; on the underside of | - |
| undernourish | (verb) provide with insufficient quality or quantity of nourishment | Synonyms: malnourish |
|---|
| undernourished | (adjective) not getting adequate food | Synonyms: ill-fed, underfed |
|---|
| undernourishment | (noun) not having enough food to develop or function normally | Synonyms: malnourishment |
|---|
| underpants | (noun) an undergarment that covers the body from the waist no further than to the thighs; usually worn next to the skin | - |
|---|
| underpart | (noun) a part lying on the lower side or underneath an animal's body | - |
|---|
| underpass | (noun) an underground tunnel or passage enabling pedestrians to cross a road or railway | Synonyms: subway |
|---|
| underpay | (verb) pay too little | - |
|---|
| underpayment | (noun) the act of paying less than required | - |
|---|
| (noun) a payment smaller than needed or expected | - |
| underperform | (verb) perform too rarely | - |
|---|
| (verb) perform less well or with less success than expected | Synonyms: underachieve |
| underperformer | (noun) a business that is less successful than expected | - |
|---|
| (noun) a student who does not perform as well as expected or as well as the IQ indicates | Synonyms: nonachiever, underachiever |
| underpin | (verb) support from beneath | - |
|---|
| (verb) support with evidence or authority or make more certain or confirm | Synonyms: bear out, corroborate, support |
| underplay | (verb) play a card lower than (a held high card) | - |
|---|
| (verb) act (a role) with great restraint | Synonyms: underact |
| underpopulated | (adjective) having a lower population density than normal or desirable | - |
|---|
| underprice | (verb) sell at artificially low prices | Synonyms: dump |
|---|
| underprivileged | (adjective) lacking the rights and advantages of other members of society | - |
|---|
| underproduce | (verb) produce below capacity or demand | - |
|---|
| underproduction | (noun) inadequate production or less than expected | - |
|---|
| underquote | (verb) quote a price lower than that quoted by (another seller) | - |
|---|
| (verb) offer for sale at a price lower than the market price | - |
| underrate | (verb) make too low an estimate of | Synonyms: underestimate |
|---|
| underrating | (noun) an estimation that is too low; an estimate that is less than the true or actual value | Synonyms: underestimate, underestimation, underreckoning |
|---|
| underreckoning | (noun) an estimation that is too low; an estimate that is less than the true or actual value | Synonyms: underestimate, underestimation, underrating |
|---|
| underrun | (verb) haul onto a boat | - |
|---|
| (verb) run or pass below | - |
| underscore | (noun) a line drawn underneath (especially under written matter) | Synonyms: underline |
|---|
| (verb) give extra weight to (a communication) | Synonyms: emphasise, emphasize, underline |
| (verb) draw a line or lines underneath to call attention to | Synonyms: underline |
| undersea | (adjective) beneath the surface of the sea | Synonyms: submarine |
|---|
| underseal | (noun) seal consisting of a coating of a tar or rubberlike material on the underside of a motor vehicle to retard corrosion | Synonyms: undercoat |
|---|
| undersealed | (adjective) (of motor vehicles) having a coating of tar or other rustproof material applied to the underside | Synonyms: undercoated |
|---|
| undersecretary | (noun) a secretary immediately subordinate to the head of a department of government | - |
|---|
| undersell | (verb) sell cheaper than one's competition | Synonyms: undercut |
|---|
| underseller | (noun) a seller that sells at a lower price than others do | - |
|---|
| undersexed | (adjective) having a subnormal degree of sexual desire | - |
|---|
| undershirt | (noun) a collarless men's undergarment for the upper part of the body | Synonyms: singlet, vest |
|---|
| undershoot | (verb) shoot short of or below (a target) | - |
|---|
| (verb) fall short of (the runway) in a landing | - |
| undershot | (adjective) having a lower part projecting beyond the upper | Synonyms: underhung, underslung |
|---|
| undershrub | (noun) a low shrub | - |
|---|
| underside | (noun) the lower side of anything | Synonyms: bottom, undersurface |
|---|
| undersign | (verb) sign at the bottom of (a document) | - |
|---|
| undersize | (adjective) smaller than normal for its kind | Synonyms: undersized |
|---|
| undersized | (adjective) smaller than normal for its kind | Synonyms: undersize |
|---|
| underskirt | (noun) undergarment worn under a skirt | Synonyms: half-slip, petticoat |
|---|
| underslung | (adjective) having a low center of gravity; built low to the ground | Synonyms: squat |
|---|
| (adjective) having a lower part projecting beyond the upper | Synonyms: underhung, undershot |
| (adjective) supported from above especially in a vehicle having springs attached to the axle from below | - |
| undersoil | (noun) the layer of soil between the topsoil and bedrock | Synonyms: subsoil |
|---|
| underspend | (verb) spend at less than the normal rate | - |
|---|
| (verb) spend less than the whole of (a budget, for example) | - |
| understaffed | (adjective) inadequate in number of workers or assistants etc. | Synonyms: short-handed, short-staffed, undermanned |
|---|
| understand | (verb) know and comprehend the nature or meaning of | - |
|---|
| (verb) perceive (an idea or situation) mentally | Synonyms: realise, realize, see |
| (verb) believe to be the case | Synonyms: infer |
| (verb) make sense of a language | Synonyms: interpret, read, translate |
| (verb) be understanding of | Synonyms: empathise, empathize, sympathise, sympathize |
| understandability | (noun) the quality of comprehensible language or thought | Synonyms: comprehensibility |
|---|
| understandable | (adjective) capable of being apprehended or understood | Synonyms: apprehensible, graspable, intelligible, perceivable |
|---|
| understandably | (adverb) in an intelligible manner | Synonyms: clearly, intelligibly |
|---|
| understanding | (adjective) characterized by understanding based on comprehension and discernment and empathy | - |
|---|
| (noun) the capacity for rational thought or inference or discrimination | Synonyms: intellect, reason |
| (noun) the cognitive condition of someone who understands | Synonyms: apprehension, discernment, savvy |
| (noun) an inclination to support or be loyal to or to agree with an opinion | Synonyms: sympathy |
| (noun) the statement (oral or written) of an exchange of promises | Synonyms: agreement |
| understandingly | (adverb) with understanding | - |
|---|
| understate | (verb) represent as less significant or important | Synonyms: downplay, minimise, minimize |
|---|
| understated | (adjective) exhibiting restrained good taste | Synonyms: unostentatious, unpretentious |
|---|
| understatement | (noun) a statement that is restrained in ironic contrast to what might have been said | - |
|---|
| understeer | (noun) when a car steers less than (under) the amount commanded by the driver. | - |
|---|
| understock | (verb) stock with less than the usual or desirable number or quantity | - |
|---|
| understood | (adjective) fully apprehended as to purport or meaning or explanation | - |
|---|
| (adjective) implied by or inferred from actions or statements | Synonyms: silent, tacit |
| understructure | (noun) lowest support of a structure | Synonyms: base, foot, foundation, fundament, groundwork, substructure |
|---|
| understudy | (noun) an actor able to replace a regular performer when required | Synonyms: standby |
|---|
| (verb) be an understudy or alternate for a role | Synonyms: alternate |
| undersurface | (noun) the lower side of anything | Synonyms: bottom, underside |
|---|
| undertake | (verb) promise to do or accomplish | Synonyms: guarantee |
|---|
| (verb) enter into a contractual arrangement | Synonyms: contract |
| (verb) enter upon an activity or enterprise | Synonyms: attempt, set about |
| (verb) accept as a charge | Synonyms: take in charge |
| (verb) accept as a challenge | Synonyms: tackle, take on |
| undertaker | (noun) one whose business is the management of funerals | Synonyms: funeral director, funeral undertaker, mortician |
|---|
| undertaking | (noun) any piece of work that is undertaken or attempted | Synonyms: labor, labour, project, task |
|---|
| (noun) the trade of a funeral director | - |
| undertide | (noun) a current below the surface of a fluid | Synonyms: undercurrent |
|---|
| undertone | (noun) a pale or subdued color | Synonyms: tinge |
|---|
| (noun) a subdued emotional quality underlying an utterance; implicit meaning | Synonyms: undercurrent |
| (noun) a quiet or hushed tone of voice | - |
| undertow | (noun) the seaward undercurrent created after waves have broken on the shore | Synonyms: sea-poose, sea-purse, sea-puss, sea purse, sea puss |
|---|
| (noun) an inclination contrary to the strongest or prevailing feeling | - |
| undervaluation | (noun) too low a value or price assigned to something | - |
|---|
| undervalue | (verb) lose in value | Synonyms: depreciate, devaluate, devalue |
|---|
| (verb) assign too low a value to | Synonyms: underestimate |
| (verb) esteem lightly | - |
| underwater | (adjective) growing or remaining under water | Synonyms: subaquatic, subaqueous, submerged, submersed |
|---|
| (adjective) beneath the surface of the water | Synonyms: submerged, submersed |
| underway | (adjective) currently in progress | Synonyms: afoot |
|---|
| underwear | (noun) undergarment worn next to the skin and under the outer garments | Synonyms: underclothes, underclothing |
|---|
| underweight | (adjective) being very thin | Synonyms: boney, bony, scraggly, scraggy, scrawny, skinny, weedy |
|---|
| underwing | (noun) moth having dull forewings and brightly colored hind wings | - |
|---|
| underwood | (noun) the brush (small trees and bushes and ferns etc.) growing beneath taller trees in a wood or forest | Synonyms: underbrush, undergrowth |
|---|
| underworld | (noun) (religion) the world of the dead | Synonyms: Hades, Hell, infernal region, netherworld, Scheol |
|---|
| (noun) the criminal class | - |
| underwrite | (verb) protect by insurance | Synonyms: cover, insure |
|---|
| (verb) guarantee financial support of | Synonyms: subvent, subvention |
| underwriter | (noun) a financial institution that sells insurance | Synonyms: insurance company, insurance firm, insurance underwriter, insurer |
|---|
| (noun) a banker who deals chiefly in underwriting new securities | Synonyms: investment banker |
| (noun) an agent who sells insurance | Synonyms: general agent, insurance agent, insurance broker |
| undescended | (adjective) (of the testis) remaining in the abdomen instead of descending into the scrotum | - |
|---|
| undescriptive | (adjective) not successful in describing | - |
|---|
| undeserved | (adjective) not deserved or earned | - |
|---|
| undeservedly | (adverb) in an unmerited manner | - |
|---|
| undeserving | (adjective) not deserving | Synonyms: unworthy |
|---|
| undesigned | (adjective) not done or made or performed with purpose or intent | - |
|---|
| undesirability | (noun) the quality possessed by something that should be avoided | - |
|---|
| undesirable | (adjective) not wanted | Synonyms: unwanted |
|---|
| (adjective) not worthy of being chosen (especially as a spouse) | Synonyms: unsuitable |
| (noun) one whose presence is undesirable | - |
| undesirably | (adverb) in an undesirable manner | Synonyms: unwantedly |
|---|
| undesired | (adjective) not desired | Synonyms: unsought |
|---|
| undesiring | (adjective) having or feeling no desire | Synonyms: undesirous |
|---|
| undesirous | (adjective) having or feeling no desire | Synonyms: undesiring |
|---|
| undestroyable | (adjective) very long lasting | Synonyms: durable, indestructible, perdurable |
|---|
| (adjective) not capable of being destroyed | - |
| undetectable | (adjective) barely able to be perceived | Synonyms: indiscernible, insensible |
|---|
| (adjective) not easily seen | - |
| undetected | (adjective) not perceived or discerned | - |
|---|
| undeterminable | (adjective) not capable of being definitely decided or ascertained | Synonyms: indeterminable |
|---|