To help high school students learn words efficiently, we divide words of "Useful Word of the Day 2023" into two groups. This page is the hard section for high school students, including recent 100 words and their meanings, sentences, and context sources.
pervasivenessn.the quality of spreading widely or being present throughout an area or a group of people reframev.express words, concept, or plan differently gruelinga.extremely tiring and demanding glamorizev.to make something seem desirable, especially spuriously so languishv.to lose or lack vitality; grow weak or feeble sleuthn.a person who investigates crimes; a detective odysseyn.a long and eventful or adventurous journey or experience motifn.a decorative design or pattern sleeka.having a smooth well-groomed look; having trim graceful lines set piecen.a scene, depiction, speech, or event that is obviously designed to have an imposing effect stipulationn.a condition or requirement that is specified as part of an agreement dunen.a mound or ridge of sand formed by the wind, especially on the sea coast or in a desert ornate a.made in an intricate shape or decorated with complex patterns effigyn.a sculpture or model of a person interv.place (a corpse) in a grave or tomb, typically with funeral rites lurkv.to be or remain hidden to wait in ambush for someone or something pouncev.to spring or swoop suddenly to catch prey brazena.bold and without shame disregardv.pay no attention to; ignore lead the chargev.to be one of the first to do something and lead them to do it too charcoaln.a hard, black substance similar to coal that can be used as fuel weatherv.wear away or change the appearance or texture of something by long exposure to the air antagonizev.to cause someone to become hostile silver bulletn.a simple solution to a complicated problem coronern.an official who investigates violent, sudden, or suspicious deaths tonya.fashionable among wealthy or stylish people jacquardn.a type of cloth with a pattern woven made by crossing threads on a particular frame into it paletten.a thin board or slab on which an artist lays and mixes colors valorizev.to give or ascribe value or validity to something deftlyad.in a way that is neatly skillful and quick in movement shoot downv.put an end to, reject cruxn.the decisive or most important point on the issue compellinga.interesting or exciting enough to keep your attention completely mutationn.the changing of the structure of a gene, resulting in a variant form that may be transmitted to subsequent generations immune profilen.immune response when they are exposed to a virus and potentially predict health outcomes volleyn.a number of bullets, arrows, or other projectiles discharged at one time pitch something intov.to throw, toss, or discard something casually into something else helixn.an extended spiral chain of atoms in a protein or nucleic acid stagnanta.having no current or flow, lifeless, spiritless lockdownn.a condition in which people are temporarily prevented from entering or leaving a restricted area trauman.a deeply distressing or disturbing experience attritionn.the action or process of gradually reducing the strength or effectiveness odysseyn.a long and eventful or adventurous journey or experience pressinga.urgently important retrofitv.add an accessory to something that did not have it when manufactured
superchargev.to make something more powerful or impressive amalgamatev.combine or unite to form one organization or structure prevalencen.commonness contagionn.the communication of disease from one person to another by close contact whizzv.move quickly through the air with a whistling or whooshing sound accommodatinga.willing to fit in with someone's wishes or needs contendern.a person or group competing with others to achieve something photovoltaica.relating to the production of electric current at the junction of two substances exposed to light citadeln.a fortress, typically on high ground, protecting or dominating a city anthologyn.a published collection of poems or other pieces of writing safarin.an expedition to observe or hunt animals in their natural habitat, especially in East Africa conjurev.call upon (a spirit or ghost) to appear, by means of a magic ritual fruitionn.the point at which a plan or project is realized intriguev.arouse the curiosity or interest of; fascinate underservev.supply with insufficient services, especially social and health services stagnanta.having no flow and often having an unpleasant smell as a consequence sagv.decline to a lower level, usually temporarily sloshv.move irregularly with a splashing sound vanen.a broad blade attached to a rotating axis or wheel which pushes or is pushed by wind or water transcribev.put (thoughts, speech, or data) into written or printed form collaboratev.work jointly on an activity, especially to produce or create something colloquyn.a conversation, a gathering for discussion time-honoreda.respected or valued because it has existed for a long time venuen.the place where something happens, especially an organized event interconversionn.the conversion of two things into each other pathogenn.a bacterium, virus, or other microorganisms that can cause disease shelf-lifen.the period during which a material may be stored and remain suitable for use namesaken.a person or thing that has the same name as another oddityn.a strange or peculiar person, thing, or trait honev.refine or perfect something over a period of time interactv.act in such a way as to affect another malevolenta.having or showing a wish to do evil to others casten.a division of society based on differences in wealth, inherited rank or privilege, profession, occupation, or race grapplev.engage in a close fight or struggle without weapons ethical dimensionsn.the competency throughout the curriculum so that students will identify ethical principles in the analysis of social and political problems bafflev.to totally bewilder or perplex dilemmaa.a situation in which a difficult choice has to be made between two or more alternatives deformablea.capable of being reshaped impairmentn.the act of spoiling something or making it weaker so that it is less effective ladder polymern.a polymer, as DNA, consisting of double-stranded chains linked by hydrogen bonds rungn.horizontal support on a ladder for a person's foot forayn.an initial and often tentative attempt to do something in a new field dismayv.cause someone to feel distressed mundanea.lacking interest or excitement; dull dentn.a weakening or lessening effect perceptionn.the ability to see, hear or become aware of something through the senses implicationn.the action or state of being involved in something anomalyn.something different, abnormal, peculiar, or not easily classified glitchn.a false or spurious electronic signal holomorphica.of the same or similar form overheadn.business expenses not chargeable to a particular part of the work or product synergyn.the interaction or cooperation of two or more organizations, substances, or other agents momentumn.the quality that keeps an event developing or making progress after it has started intermediaryn.a person who acts as a link between people in order to try to bring about an agreement promotev.help bring something into being; launch