Skip to content A B C D E F G H I J K L M N O P Q R S T U V W X Y Z undertrump To play a lower trump card than the previous one in a trick. undertubulation Insufficient tubulation of long bones, resulting in diaphyseal or metaphyseal widening. undertune An underlying or background tune. undertunic A tunic worn under other clothing. underturn To turn upside down; subvert; upset. underturnkey A subordinate turnkey. undertutor A subordinate tutor. undertwig A lower twig. undertwisted Insufficiently twisted (typically of DNA) undertype A kind of steam wagon having the engine below the cab. undertyrant A subordinate or lower-ranking tyrant. underusage inadequate usage underuse The act of using (something) less than expected. underused Used less than normal or desirable. underuser One who underuses. underusher A subordinate usher. underutilization The state of being underutilized underutilize underuse underutilized Insufficiently utilized. undervaccinate To vaccinate inadequately, or an insufficient proportion of a population. undervaccination inadequate vaccination undervaluation The act of undervaluing, of assigning too low a value to something. undervalue To underestimate, or assign too low a value to (something or someone); to have too little regard for. undervalued Assigned an inappropriately low value. undervaluedness The state or condition of being undervalued. undervaluement undervaluation undervaluer One who undervalues. undervaluing An undervaluation. undervaluingly So as to undervalue. undervascularized Insufficiently vascularized undervegetation Vegetation lying underneath; underbrush. undervent To vent inadequately. underventilate To ventilate insufficiently. underventilated Insufficiently ventilated. underventilation insufficient breathing underverse The following or second verse. undervest vest (worn underneath a shirt) undervicar A subordinate vicar. underviewed Not viewed enough. underviewer An underlooker; the manager responsible for a colliery in the absence of the viewer. undervine Beneath a vine undervirilization inadequate virilization occurring when a genetic male cannot produce enough androgen or the body tissues cannot respond to it undervirilized Exhibiting undervirilization. undervisited Not visited often enough, or by a sufficient number of visitors. undervitalized Lacking energy. undervoice A low or quiet voice. undervolt A significant drop in voltage. undervoltage A voltage that is too low. undervolted Having the voltage reduced from that originally supplied by the manufacturer. undervote A vote that has been cast but that shows no legally valid preference for a candidate in an election. undervoter One who undervotes. underwage An unsufficient wage. underwaist A sleeveless undergarment worn to support lower clothing such as hose or a skirt. underwaistcoat A waistcoat worn under other clothing. underwarden A subordinate warden. underwarm To warm insufficiently; To fail to provide with the expected or required amount of heat. underwash To wash too little or too infrequently. underwater Beneath the surface of the water; of or pertaining to the region beneath the water surface. underwatered Not watered enough. underwaterish As if underwater. underwave A lesser or underlying wave (in various senses). underway In motion, in progress; being done or carried out; on a journey. underwear Clothes worn next to the skin, underneath outer clothing. underweared Wearing underwear. underwearless Without underwear. underwearlessness The state of being underwearless. underwebbing A webbing supporting something else underween To undervalue. underweening Undervaluation. underweigh To weigh insufficiently (indicating a too-small weight) underweight Of an inappropriately or unusually low weight. underwhelm To fail to impress; to perform disappointingly. underwhelming Failing to interest; not as exciting as promised or expected. underwhelmingly In an underwhelming way. underwhip To fail to whip enough. underwind To wind (tighten a spring of) something inadequately; to wind too loosely. underwing A hind wing on an insect. underwire A semicircular wire placed in a bra to support the breasts. underwired Fitted with wiring or straps to provide better support for the breasts. underwise On or to the bottom or underside of; beneath; underneath. underwit An underwitted person; a nitwit. underwithhold To withhold an inadequate amount of tax for an employee etc., leaving a liability to pay the rest at a later stage. underwitted Weak in intellect; half-witted; silly. underwomanned Inadequately womaned. underwood Underbrush, undergrowth. underwooded Having underbrush. underwool The short, wooly underfur of certain animals, especially sheep. underword A word placed below another, either literally or metaphorically: a subtext; an inadequate or subordinate term or description; a secret word or phrase; a watchword underwork To require too little work from; to work insufficiently. underworked Ineffectively or inadequately utilized. underworker An inferior or subordinate workman. underworking lower or underlying workings underworkman An inferior or subordinate labourer. underworld The world of the dead, located underneath the world of the living; the afterlife. underworlder Someone who inhabits or comes from an underworld. underworldling A member of an underworld. underworldly Befitting the underworld. underworn Worn away from underneath. underwound Insufficiently wound underwrap A lightweight foam that is applied to the skin to reduce irritation before wrapping with supportive tape. underwrapped Insufficiently desolvated. underwrapping The act of underwrapping something. underwrite To write below or under; subscribe. underwriter An entity assuming a financial risk. underwriting The act of something being underwritten financially. underyoke To bring under yoke; make subject. underzeal Insufficient zeal. undescaled Not descaled; from which scale has not been removed. undescended Not descended. undescribability The quality of being indescribable. undescribableness The state or characteristic of being undescribable. undescribed Not described undescried Not having been descried. undescript Nondescript. undescriptive Not descriptive. undescriptively In a way that fails to describe. undescriptiveness The quality of being undescriptive. undescrying That does not descry. undesecrate Not desecrated. undesecrated Not desecrated. undesensitized Not desensitized. undeserted Not deserted. undesertified Not desertified. undeserting That does not desert or abandon. undeserve To fail to deserve, to be unworthy of undeserved Not deserved, earned or merited; unjustifiable or unfair. undeservedly In an undeserved manner. undeservedness The state or condition of being undeserved. undeserver Someone who is not worthy. undeserving Considered unworthy of reward. undeservingly In an undeserving way. undeservingness The quality of being undeserving. undesign To reverse or fail to implement a design; to design something in a way that deliberately rejects the conventions of designing. undesignable That cannot be designed. undesignated Not designated. undesigned Not designed, not intended. undesignedly In a way that was not designed; as an unexpected consequence; unintentionally. undesignedness The state or quality of being undesigned. undesigning Having no artful, ulterior, or fraudulent purpose; sincere; artless; ingenuous. undesigningly In an undesigning manner; with no artful, ulterior, or fraudulent purpose. undesigningness The quality of being undesigning. undesirability The property of being undesirable. undesirable Not desirable, objectionable or not likely to please. undesirableness The condition or quality of being undesirable. undesirably In an undesirable manner. undesire Lack or absence of desire; desirelessness. undesired Not desired; unwanted. undesiredly In a way that is not desired. undesiring Not desiring something. undesirous Not desirous