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 underkind A subordinate or inferior kind or class. underking An inferior or subordinate king; a viceroy. underkingdom The realm of an underking. underknee Below the knee. underknown Not known widely enough; of inadequate fame. underlabourer An assistant or subordinate labourer. underlaid undersexed; sexually frustrated underlandlord Synonym of sublessor. underlanguaged Having inferior literacy skills. underlap To be overlapped by; to protrude underneath. underlaugh A suppressed laugh underlaughter Suppressed laughter or laughing underlaundress A subordinate laundress. underlawyer A subordinate lawyer. underlay To lay (something) underneath something else; to put under. underlayer A layer that is below another layer. underlayment Something that is underlaid, such as planking in a room of a house; underlay. underlead A lead of a low card when holding the top card or cards in a suit. underleaf A lower leaf on a plant. underlease Synonym of sublease. underleaser Synonym of sublessor. underledge A lower or nether ledge. underleg The lower part of a leg. underlengthen To lengthen too little. underlessee Synonym of subtenant. underlessor Synonym of sublessor. underlet To let below the value. underletter Synonym of sublessor. underletting Synonym of sublease. underlevel A lower level. underleveled In role-playing and similar games, having a lower experience level than appropriate for a given battle or task. underlever A lever behind the trigger guard of a rifle underleveraged Not adequately leveraged. underlevered Having too little leverage. underlexicalization The presence of too few words or lexical items for an entity or concept. underlicensed Having purchased fewer licences than are legally required. underlid The lower eyelid. underlie To lie in a position directly beneath something. underlier That which underlies. underlieutenant A subordinate lieutenant. underlife Life concealed from common knowledge. underlight Illumination from underneath. underlighting Illumination from underneath. underlimbed Having underdeveloped limbs. underlimit A lower bound. underlinable Capable of being underlined. underline A line placed underneath a piece of text in order to provide emphasis or to indicate that it should be viewed in italics or (in electronic documents) that it acts as a hyperlink. underlineation Synonym of underlining (“marking text with an underline”). underlinement Underlining. underlinen Underwear (especially, but not always, made of linen); any undergarment. underliner One who underlines. underling A subordinate, or person of lesser rank or authority. underlining An act or instance of marking text with an underline. underlinked Having underlying links; subtly interconnected. underlip The lower lip. underliquidity Insufficient liquidity. underlisted Listed below (in the same document). underlit illuminated from beneath underlive To live under; live beneath (something); to fail to live up to (something). underload An insufficient load. underloaded Carrying a smaller load than normal or optimal underloading the act of loading insufficiently; underutilization of the capacity of something. underlock A lock of wool hanging under the belly of a sheep. underlook A concealed or oblique glance. underlooker A daily inspector of a mine. underloved Insufficiently loved; neglected. underlubricate To lubricate too little. underlubrication inadequate lubrication underlug One of the locking lugs on a break-action firearm that extend from the bottom of the barrels under the chamber(s) and connect into the receiver bottom. underluminosity Insufficient luminosity underluminous Insufficiently luminous underly Poor; inferior. underlying Lying underneath. underlyingly In a way that underlies. underlyingness The quality of being underlying. undermade Made or produced below. undermaid A subordinate maid. undermaintain To maintain inadequately; to allow to fall into disrepair. undermaintenance Insufficient or inadequate maintenance. undermakeup A layer of makeup that goes beneath the foundation. underman A man who is subordinate to, inferior to, or in some way disadvantageously placed with respect to others. undermanage To manage inadequately. undermanagement inadequate or insufficient management undermanager A manager who is lower in the organizational hierarchy than another manager. undermanned Insufficiently manned; understaffed. undermargin The lower rim or margin of something. undermark To place a mark or marking underneath. undermarketed Insufficiently marketed. undermarkings Markings that appear on the underside of something. Usually used to describe an animal. undermasculinization The quality of being undermasculinized. undermasculinized Lacking the usual degree of masculinity. undermassive Of a star: having a smaller mass than is typical for its type. undermasted Having masts smaller than the usual size. undermaster An assistant master; a subordinate to the main master. undermatch A match that is less than optimal. undermatching The practice of accepting a match that is less than optimal, especially when accepting a slot at a college or university when a superior one is available. undermate A junior officer on board a ship. undermatron A lower-ranking matron. undermeal Synonym of undern: originally terce and the morning, later (UK, dialectal, obsolete) noon and the early afternoon. undermeaning An underlying or hidden meaning. undermeasure To measure or estimate with a result that is smaller than it should be. undermeasurement The process or result of undermeasuring; a measurement that is smaller than it should be. undermediator A subordinate mediator. undermedicate To medicate insufficiently. undermedicated Given insufficient medication. undermedication Insufficient medicating; underuse of medication. undermelody An accompanying melody that is less prominent than the main melody. undermelt A melted liquid that lies beneath a solid undermentioned about to be specified or mentioned, especially in a document; following undermet Not fully met. undermetallation Insufficient metallation undermethylated Insufficiently methylated undermethylation The quality of being scarcely methylated. undermilk To milk (a cow or other animal) inadequately. undermill To mill inadequately. undermilled Milled insufficiently, or less than usual. undermiller A subordinate miller. underminable Susceptible to being undermined. undermind The subconscious mind or self. undermine To dig underneath (something), to make a passage for destructive or military purposes; to sap. underminer One who undermines. undermineralization Insufficient mineralization. undermineralized Insufficiently mineralized. undermining The act or process by which something is undermined. underminingly So as to undermine. underminister A minister who is subordinate to another. underministry A subordinate or inferior ministry. undermist Mist that is beneath something, or close to the ground. undermix To not mix enough; fail to mix adequately or thoroughly. undermodernized Having undergone insufficient modernization. undermodification Insufficient modification. undermodified Insufficiently modified. undermodify To modify insufficiently. undermodulation Insufficient modulation (typically of a radio signal) undermonetized Insufficiently monetized. undermoneyed Insufficiently moneyed (monied; i.e. affluent); in possession of insufficient money; poor. undermost In the lowest position or state; bottom. undermotivated Not sufficiently motivated. undermotivation inadequate motivation; the state of being undermotivated undermount Mounted underneath something else. undermountain Beneath a mountain. undermounted Said of a rider mounted on a horse that is not strong or large enough for the size and weight of the rider. undermuscled Inadequately muscled. undermuscular Synonym of undermuscled. undermusic Background music. undermyelinated Insufficiently myelinated undermyelination Insufficient myelination undern Synonym of terce: the third hour of daylight (about 9 am). undernamed Whose name appears underneath, or further down in a document. undernatant Synonym of surnatant.