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 underestimate To estimate too low; to perceive (someone or something) as having a lower value, quantity, worth, etc., than what he/she/it actually has. underestimation The act of underestimating. underestimator One who underestimates. underetch To etch too shallowly. underevaluate To evaluate insufficiently underevaluation The act or result of underevaluating. underexaggerate To understate. underexamined Insufficiently examined; overlooked. underexclusive Not exclusive enough; tending to exclude too little. underexcretion inadequate excretion of something underexercise Insufficient exercise. underexercised Having inadequate exercise. underexpanded Less than usually expanded underexpansion Insufficient expansion underexpenditure An insufficient expenditure underexperienced Having had insufficient experience. underexplain To provide an insufficient explanation underexploit To exploit insufficiently. underexploitation Insufficient exploitation. underexploited Not exploited to any great extent; not used to full advantage. underexplored Not explored (either physically or intellectually) to the usual degree underexpose To take a photograph using too small an exposure underexposure The condition of being underexposed. underexpress To express less than normally. underexpressed Not expressed to the usual or expected degree underexpressing Causing underexpression underexpression Insufficient or abnormally low expression underextend To apply (a term) to too few referents, by underextension. underextension Application of a term to too few referents, as for example when a child uses cat to refer only to the family pet. underextraction Less than the normal or optimum amount of extraction underextrapolation insufficient extrapolation underextrude To extrude too little. undereye Under the eye. underface The underside or downward-facing surface of an object. underfactorization The use or consideration of too few factors in factor analysis. underfalconer A subordinate falconer. underfamiliar Insufficiently acquainted with something. underfamiliarity The state of being underfamiliar. underfamily A subfamily. underfarm To farm too little. underfarmer An assistant farmer. underfeather A feather located under (closer to the body than) others. underfeathered Having too few feathers. underfeathering Underfeathers collectively. underfeatured Lacking in features. underfed Inadequately fed. underfeed To feed inadequately or insufficiently. underfeeder A device that feeds in material from below. underfeeding Inadequate feeding. underfeel To secretly gain knowledge from. underfeeling A secondary or subconscious feeling. underfellow An underling; a subordinate. underfelt A layer of felt-like material laid underneath a wall-to-wall carpet underferment To ferment insufficiently. underfermentation inadequate fermentation underfermented Iinsufficiently fermented. underfertilization Inadequate fertilization; the underuse of fertilizer. underfertilize To treat (plants) with too little fertilizer. underfill To fill with an insufficient amount. underfilling The underneath structure of a building. underfilter A morphological filter (idempotent operator) whose image is a subset of the domain. underfinance To finance inadequately. underfinanced Lacking sufficient financing underfinancing The provision of inadequate finance underfinished Of animals reared for meat: having less fat than is desirable. underfire To heat from below. underfired Fired at a low (or excessively low) temperature. underfiring Intentional operation of a boiler, furnace, oven, etc., at a low level. underfish To fish less than would still be sustainable; to underuse (an area) for fishing. underfished Fished less than would still be sustainable; suitable for a greater amount of fishing. underfit To use a statistical model that has too few parameters relative to the size of the sample. underfitting The action of the verb underfit. underfix To fix inadequately, or below what is required or expected underflannel A kind of underclothing, a precursor of the union suit. underflavored Lacking sufficient flavor. underflavour Synonym of undertaste. underfleshed Lacking flesh or substance; skinny or scanty. underflip A flip trick, the flipping of a skateboard by flicking the underside of the board, while riding on the board. underfloor Located beneath the floor. underflooring A layer of flooring underneath the top layer or carpet. underflow A current flowing below the surface. underflush A tinge of colour showing through from beneath. underfocus The state of a microscope that is focused slightly in front of the specimen underfocused Having insufficient focus underfogged Insufficiently fogged. underfold To fold underneath. underfolded Folded underneath. underfollowed Not adequately followed; having too small a following. underfong To seduce, entrap; surround, overcome. underfoot Situated under one's foot or feet. underfooting The terrain or other surface underfoot. underfootman A subordinate footman. underforest The undergrowth of a forest underforested Too sparsely forested. underfortify To fortify insufficiently. underfoud A lower-ranking foud; a subbailiff. underframe The supporting structure of a piece of furniture, a vehicle, etc. underframed Having an underframe. underframework An underlying or supportive framework or similar structure. underframing An underframe. underfreight To load with too little freight. underfrequency The condition where the frequency of an electrical supply drops below normal parameters. underfriction A system for preventing a rollercoaster train from jumping off the track while in violent motion, using additional wheels under the track. underfringe A lower fringe; a fringe underneath something. underfrock An underslip worn beneath a dress (frock). underfucked Not receiving enough sex. underfulfill To fail to fulfill (a quota etc.) by doing or providing too little. underfulfilled Not adequately fulfilled; lacking fulfilment. underfull Not full enough; not filled to available capacity. underfunction To function inadequately. underfunctioner One who underfunctions. underfund To provide insufficient funds (for). underfunded Insufficiently funded. underfundedness The quality of being underfunded. underfunder One who underfunds something. underfunding The condition of being underfunded. underfur The thick, soft undercoat of some mammals, especially those that spend time in the water underfurnish To supply with less than enough; to furnish insufficiently. underfurnished Inadequately furnished; lacking in furniture. underfurred Having a layer of underfur. underfurrow To cover as if under a furrow; to plow in. undergain To gain too much. undergamekeeper A subordinate gamekeeper. undergang To undergo; pass through; endure. undergaoler Dated spelling of underjailer. undergarb Synonym of underclothing undergardener An assistant gardener. undergarment Any garment worn underneath others, especially one worn next to the skin; an item of underwear. undergarmented Wearing an undergarment. undergarnish The leaves etc. forming the base of a salad, on which other ingredients can be layered. undergear Underwear undergeared Equipped with equipment significantly worse than expected for their level, role or the content being played through. undergeneral A subordinate general. undergeneralization The act, or an instance, of undergeneralizing. undergeneralize To apply something with insufficient generality. undergenerate To apply a rule of language too strictly, so that some potential valid utterances are excluded from production. undergeneration The generation of too little or too few of something; underproduction. underget To get less than expected or due. undergetting The process or situation of obtaining less than what is expected or due. undergird To strengthen, secure, or reinforce by passing a rope, cable, or chain around the underside of an object. underglaze A decorative slip applied to the surface of pottery before glazing. undergloom the underworld underglorified Not glorified enough; not praised enough. underglow To beam or radiate too little light; to glow insufficiently. underglycanated Insufficiently glycanated underglycosylated Insufficiently (or significantly less than normally) glycosylated underglycosylation Less than normal glycosylation. undergo To experience; to pass through a phase. undergod A lower or inferior god; a subordinate deity; a demigod. undergoer One that undergoes.