To help student learn words at their levels efficiently, we divide words of "Useful Word of the Day 2021" into two groups. This page is for 11th and 12th grade students.
olfactorya.relating to the sense of smell caninea.relating to or resembling a dog or dogs exacerbatev.make (a problem, bad situation, or negative feeling) worse disseminatev.spread (something, especially information) widely cullv.kill the weaker or selective animals in a group in order to reduce their numbers mutatev.change or cause to change in form or nature moratoriumn.a temporary prohibition of an activity evictionn.the action of expelling someone, especially a tenant, from a property laudv.praise highly, especially in a public context misstepv.a clumsy or badly judged step precociousa.(of a child) having developed certain abilities at an earlier age than usual motorn.a source of power, energy, or motive force starka.severe or bare in appearance or outline strainn.a severe or excessive demand on the strength, resources, or abilities of someone or something vaccinatev.treat with a vaccine to produce immunity against a disease meticulouslyad.in a way that shows great attention to detail; very thoroughly fertilityn.a woman’s ability to have babies tomen.a book, especially a large, heavy, scholarly one rallying cryn.people join together to support an idea, cause, etc. morseln.a small piece or amount of food; a small piece or amount dominationn.the exercise of control or influence over someone or something smirkv.smile in an irritatingly conceited or silly way smuglyad.in a way that shows excessive satisfaction or pride in oneself only toad.to highlight an upsetting, disappointing, or unpleasant action that occurred after something else aboundv.exist in large numbers or amounts mirev.cause to become stuck in the mud cozy upv.attain or try to attain familiarity, friendship, or intimacy low-yielda.used to describe investments that do not pay much income tallyv.calculate the total number of scrutinyn.critical observation or examination reincarnationn.the rebirth of a soul in a new body sportv.wear or display bountyn.things given in generous amounts wieldv.hold and use (a weapon or tool) purportedlyad.as appears or is stated to be true, though not necessarily so spillv.spread profusely or beyond bounds subpoena n.a legal document ordering someone to appear in a law court marginallyad.to only a limited extent; slightly haptica.relating to the sense of touch acoustica.relating to sound or the sense of hearing diebackn.a condition in which a tree begins to die from the tip of its leaves or roots backwards severityn.fact or condition of being severe creakya.bad in some way because it is old or old-fashioned ill-timeda.occurring at or planned for an unsuitable time terracev.make sloping land into a number of level flat areas resembling a series of steps irrigationn.supply of water to land or crops to help growth, typically by means of channels vilificationn.abusively disparaging speech or writing frenzieda.wildly excited or uncontrolled prime-timen.regularly occurring time at which a television audience is expected to be greatest stipendn.a fixed regular sum paid as a salary or allowance collaboratorn.a person who works jointly on an activity or project; an associate enshrinev.place a revered or precious object in an appropriate receptacle infringe v.actively break the terms of a law or agreement knackn.an acquired or natural skill at performing a task unabasheda.not embarrassed, disconcerted, or ashamed influencern.a person or thing that influences another drop shippern.agent, distributor, or retailer who earns a commission on orders passed on to the manufacturer or original supplier knock offn.a copy that sells for less than the original blatanta.done openly and unashamedly barbarica.savagely cruel; exceedingly brutal brandv.consider or refer to something as being bad culminatev.reach a climax or point of highest development bear no resemblancev.not be similar to someone or something else bolsterv.support or strengthen; prop up ramp upv.increase or cause to increase in the amount cullv.kill animals, especially the weaker members of them, in order to reduce or limit their number minkn.a small animal with valuable fur that is used to make expensive coats, or the fur from this animal draconiana.excessively harsh and severe chattern.incessant trivial talk skirmishn.an episode of irregular fighting, especially between small parts of armies or fleets stunneda.so shocked that one is temporarily unable to react; astonished incursionn.an invasion or attack, especially a sudden or brief one afloata.out of debt or difficulty prosen.written language in its ordinary form rather than poetry implicationn.a conclusion that can be drawn from something, although it is not explicitly stated grapplev.engage in a close fight or struggle without weapons rowdya.noisy and disorderly grubbya.dirty; grimy to heart's contentad.as much or as often as you like personneln.people employed in an organization to undertake such as military service fluctuatev.rise and fall irregularly in number or amount grousev.complain pettily; grumble outpouringn.something that streams out rapidly seditionn.conduct or speech inciting people to rebel against the authority of a state or monarch secessionn.action of withdrawing formally from membership of a federation or body subversionn.undermining of the power and authority of an established system or institution complacencyn.a feeling of smug or uncritical satisfaction with oneself or one's achievements bracev.support an object in order to stop it from falling down gruelinga.extremely tiring and demanding brawln.a rough or noisy fight or quarrel elbow out ofv.pressure someone to depart something phonyn.a fraudulent person or thing surreptitiousa.kept secret, especially because it would not be approved of furloughv.grant a leave of absence to grapplev.engage in a close fight or struggle without weapons; wrestle abetv.encourage or assist someone to do something wrong floutv.openly disregard a rule, law or convention strolln.walk in a leisurely way diocesen.a district under the pastoral care of a bishop in the Christian Church mortuaryn.a place in which dead bodies are kept until burial