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 undercup Beneath a cup, especially that of a brassiere or corset. undercure An instance or result of undercuring. undercurl A curl underneath. undercurled Curled underneath. undercurrent A current of water which flows under the surface, and often in a different direction from surface currents. undercurve The curve formed by the underside of something. undercurved Curved so as to pass below the body; said of parts of the upper surface of an insect. undercut A cut made in the lower part of something; the material so removed. undercutter One who, or that which, undercuts. undercutting An undercut; a cut in the lower part. undercuttingly So as to undercut. Underdahl A surname from Norwegian. underdaks underpants underdamp To fail to sufficiently suppress vibrations in. underdamped Possessing a damping ratio between one and zero. underdamper A damper located beneath the hammers in a piano. underdanced Of a theatrical production, etc.: featuring too little dancing. underdeacon A subordinate deacon. underdeal To deal insufficiently or inadequately; have dealings which are below requirement or expectation underdealing Crafty, unfair, or underhand dealing; trickery. underdecided Insufficiently decided; too undecided. underdeck The part of a bridge that lies beneath the deck, or surface. underdeclared declared to be smaller than is the case underdefend To defend inadequately. underdefended Inadequately defended. underdefine To define too broadly, or in too little depth. underdefined Inadequately defined. underdefinition The act or process of underdefining; inadequate definition. underdeliver To deliver less, or at an inferior level, than promised or expected underdeliverer One who underdelivers. underdelivery A delivery of insufficient material underdense Insufficiently dense; especially not sufficiently dense enough to form a galaxy. underdensity The condition or extent of being underdense. underdescribed Not described with sufficient precision. underdesigned inadequately designed underdetect To detect less of (something) than is actually present. underdetection Detection at excessively low levels, or at levels lower than are actually the case underdetermination The state or quality of being underdetermined underdetermine Particularly in the theory of scientific explanation, to provide too few constraints to specify a unique solution. underdetermined Having too few constraints to specify a unique solution. underdeterminedness The condition of being underdetermined. underdeterrence inadequate deterrence underdeterrent Serving as an inadequate deterrent. underdevelop To develop insufficiently. underdeveloped immature and not fully developed underdevelopedness Synonym of underdevelopment (“state or condition of being underdeveloped”). underdevelopment The condition of being underdeveloped. underdeviation A deviation from a target that results in less of something than was desired. underdevil Synonym of subdevil. underdiagnose To diagnose something less often than it actually occurs. underdiagnosed diagnosed less frequently than its occurrence. underdiagnosis The failure to diagnose a condition in a significant proportion of patients. underdiagnostic Relating to underdiagnosis. underdialysis Insufficient dialysis. underdifferentiate To differentiate insufficiently. underdifferentiation Insufficient differentiation. underdig To dig under or beneath (something); to undermine. underdigested insufficiently digested underdilation Less than normal dilation underdilute To dilute insufficiently. underdilution Insufficient dilution. underdimensioned Having inadequate physical dimensions; too small. underdip Beneath a dip. underdirect To exert too little artistic control when directing (a play or film). underdisciplined disciplined too little underdiscrimination Less than normal discrimination underdiscuss To not discuss enough. underdiscussed That is not discussed enough. underdish A dish used to support a tureen etc. and catch any spills. underdispersed Less than normally dispersed underdispersion Insufficient dispersion underdispersive Exhibiting or relating to underdispersion. underdistinction Failure to distinguish adequately, as one thing from another. underdistribute To distribute too little, or not widely enough. underdistribution An inadequate distribution (especially of money). underdiuresis Insufficient diuresis, typically causing inappropriate oliguria and thus potentially electrolyte imbalances or other sequelae. underdivergence A lack of divergence. underdiversification Insufficient diversification. underdiversified Not sufficiently diversified. underdiversify To fail to diversify sufficiently. underdo To do something insufficiently; especially, to undercook. underdocument To document something inadequately or incompletely, leaving important details unrecorded. underdocumented Having inadequate documentation. underdoer One who underdoes something. underdog A competitor thought unlikely to win. underdoggish Characteristic of an underdog. underdoggy Characteristic of an underdog. underdogism Tenacious support for the underdog, or disadvantaged party underdominance Less than normal dominance underdominant Relating to underdominance underdone insufficiently cooked; undercooked underdope To dope at less than the optimal level for superconductivity underdosage An insufficient dosage. underdose An inadequate dose (of a medication). underdot A dot placed below a letter, as a diacritical mark. Underdown A surname. underdrag The tensile stress exerted by an overthrust rock mass upon overlying rocks which themselves are not under compressive thrusting stress and therefore tend to be stretched and broken by normal faulting. underdrain An underground drain or trench with openings through which the water may percolate from the soil or ground above. underdrainage Drainage by means of an underdrain. underdrainer Synonym of underdrain underdramatic Inadequately dramatic. underdramatize To fail to dramatize adequately; to make underdramatic. underdraught A draught of air from underneath. underdraw To cover or line the underside of (a floor or roof) with plasterwork, boarding or other such treatment. underdrawers underpants. underdrawing A sketch done on the ground of a work of art before paint, pastel, ink, or other more permanent medium is applied. underdress To dress in insufficiently warm clothes. underdressed Insufficiently dressed, as for cold weather. underdresser One who underdresses. underdrift Having the gearing that turns the millstone beneath the floor. underdrive Designed to turn at a slower speed than stock. underdriven Driven from beneath. underdry To dry unsufficiently. underdue Not having reached the deadline yet, especially something that is owing but not yet due. underearn To earn less than. underearner One who earns too little. underearth Beneath the earth; underground. undereat To eat too little. undereater One who eats too little. undereddened Not dereddened. underedge A lower edge, or underside of an edge. underedited Having undergone insufficient editing, or less than is usual. undereducate To provide an inadequate education. undereducated Insufficiently educated. undereducation The state of being undereducated or the practice of undereducating. undereffective Not effective enough. underelicited of a system capability whose existence is known but otherwise invisible in traditional evaluation metrics underemotional Deficient in emotion; cold, distant. underemphasis Insufficient emphasis. underemphasize To place insufficient emphasis on. underemphasized Insufficiently emphasized underemployed Employed in a job that offers fewer work hours than desired. underemployment The condition of being underemployed. underendowed Insufficiently endowed. underenforce To enforce inadequately. underenforcement Inadequate enforcement (of a law, statute, etc.). underengaged Insufficiently engaged underengined having too small an engine in relation to its size. underenriched Insufficiently enriched underenrichment Insufficient enrichment underenthused Insufficiently enthused. underentitled Feeling or acting as though one is entitled to less than one really deserves; too retiring or self-effacing. underentitlement The condition of being underentitled. underentry Insufficient entry. underenumeration Insufficient counting, particularly in the census. underequip To equip inadequately; to provide with insufficient equipment. underequipped Lacking sufficient equipment undererupt Of a tooth, to erupt less than normal. undereruption The state of being undererupted, with less of the tooth visible than is normal. underestimatable Capable of being underestimated.