八年级下册英语重点单词

八年级下册英语重点单词下面是八年级下册英语重点单词的详细介绍，每个单词都会有定义、用法和示例句子。

1.achieve[v.]-tosuccessfullyreachagoalorcompleteatask

Examplesentence:IstudiedhardandwasabletoachievemygoalofgettinganAonthetest.

2.analyze[v.]-toexaminesomethingcarefullyinordertounderstanditbetter

Examplesentence:Thedetectiveanalyzedthefingerprintstodeterminewhohadcommittedthecrime.

3.apparent[adj.]-easytoseeorunderstand

Examplesentence:Thedamagetothecarwasapparentaftertheaccident.

4.benefit[n.]-somethingthatishelpfuloradvantageous

Examplesentence:Regularexercisehasmanybenefits,suchasimprovedhealthandincreasedenergy.

5.confident[adj.]-havingbeliefinoneselfandone'sabilities

Examplesentence:Shefeltconfidentthatshewouldperformwellinthejobinterview.

6.contribute[v.]-togiveorprovidesomethingasapartofagrouporeffort

Examplesentence:Manypeoplecontributedmoneytohelpthoseaffectedbythenaturaldisaster.

7.demonstrate[v.]-toshoworexplainhowsomethingworksorisdone

Examplesentence:Theteacherusedascienceexperimenttodemonstratetheconceptofgravity.

8.emphasize[v.]-togivespecialimportanceorattentiontosomething

Examplesentence:Thespeakeremphasizedtheneedforeveryonetoworktogethertosolvetheproblem.

9.expand[v.]-tomakelargerormoreextensive

Examplesentence:Thecompanyplanstoexpanditsoperationsoverseas.

10.feature[n.]-adistinctiveorprominentaspectorcharacteristic

Examplesentence:Thenewphonemodelhasmanyfeatures,suchasahigh-resolutioncameraandawaterproofdesign.

11.global[adj.]-relatingtoorinvolvingtheentireworld

Examplesentence:Climatechangeisaglobalissuethatrequiresinternationalcooperationtoaddress.

12.identify[v.]-torecognizeorestablishtheidentityofsomeoneorsomething

Examplesentence:Thewitnesswasabletoidentifythesuspectinapolicelineup.

13.influence[n.]-thepowertohaveaneffectonsomeoneorsomething

Examplesentence:Parentsoftenhaveastronginfluenceontheirchildren'sbehavior.

14.investigate[v.]-tocarryoutasystematicorformalinquirytodiscoverfactsorinformation

Examplesentence:Thedetectiveinvestigatedthecrimescenetogatherevidence.

15.major[adj.]-ofgreaterimportanceorsignificance

Examplesentence:Theinventionoftheinternetwasamajormilestoneinhumanhistory.

16.occur[v.]-tohappenortakeplace

Examplesentence:Theaccidentoccurredat3p.m.yesterday.

17.participate[v.]-totakepartorbeinvolvedinanactivityorevent

Examplesentence:Manystudentschoosetoparticipateinafter-schoolclubsandsports.

18.recommend[v.]-tosuggestorendorsesomethingasbeinggoodorsuitable

Examplesentence:Thedoctorrecommendedthatshetakeavitaminsupplement.

19.similar[adj.]-havingaresemblanceorlikeness

Examplesentence:Thetwocarslookverysimilar,buttherearesomedifferencesintheirfeatures.

20.tradition[n.]-along-establishedorinheritedwayofthinkingoracting

Examplesentence:ItisatraditioninourfamilytohaveabigdinneronThanksgiving.21.acknowledge[v.]-toacceptoradmittheexistenceortruthofsomething

Examplesentence:Heacknowledgedhismistakeandapologizedtohisfriend.22.balance[v.]-tokeeporputsomethinginasteadyposition;toequalizeoroffset

Examplesentence:Shebalancesherworkandpersonallifeeffectively.23.challenge[v.]-toinvitesomeonetoengageinacontestorcompetition

Examplesentence:Hechallengedhisfriendtoagameofbasketball.24.debate[n.]-aformaldiscussionorargumentaboutasubject,especiallyoneinwhichtwosidesexpressdifferentopinions

Examplesentence:Thestudentshadadebateaboutwhethertechnologyhasimprovedourlives.25.dream[n.]-aseriesofthoughts,images,andsensationsoccurringinaperson'smindduringsleep

Examplesentence:Shehadadreamaboutflyingthroughthesky.26.effort[n.]-theabilitytoproducepowerfulphysicalormentalactivity

Examplesentence:Ittookalotofeffort,buthefinallyfinishedtheprojectontime.27.frustrate[v.]-tomakesomeonefeelannoyedorlessconfidentbecausetheyareunabletoachievewhattheywant

Examplesentence:Theconstantdelaysfrustratedthepassengerswaitingfortheirflight.28.generous[adj.]-willingtogiveorsharefreely;showingareadinesstogivemoreofsomething,especiallymoney,thanisstrictlynecessaryorexpected

Examplesentence:Sheisknownforhergenerousdonationstocharity.29.immediate[adj.]-happeningorcomingnextwithoutanydelay;atonce

Examplesentence:Hecalledforimmediatemedicalassistanceaftertheaccident.30.impress[v.]-tomakeastrongandfavorableimpressiononsomeone

Examplesentence:Theimpressiveperformanceoftheactorlefttheaudienceinawe.31.initiative[n.]-theabilitytoassessandinitiatethingsindependently

Examplesentence:Thecompanyencouragesitsemployeestotakeinitiativeandbecreative.32.justify[v.]-toshoworprovetoberightorreasonable

Examplesentence:Hetriedtojustifyhisactions,butnoonewasconvinced.33.knowledge[n.]-theunderstandingorinformationthatsomeonehasaboutasubject,whichtheyhavegainedfromexperienceoreducation

Examplesentence:Shehasextensiveknowledgeinthefieldofbiology.34.motivate[v.]-toprovidesomeonewithareasonorincentivetodosomething

Examplesentence:Thecoachmotivatedtheteamwithinspiringwordsbeforethegame.35.obstacle[n.]-somethingthatmakesitdifficultforsomeonetoachievesomething

Examplesentence:Lackoffundingisamajorobstacleformanysmallbusinesses.36.perspective[n.]-aparticularwayofconsideringsomething;apointofview

Examplesentence:Seeingthesituationfromadifferentperspectivehelpedhimmakeabetterdecision.37.precious[adj.]-veryvaluableorimportantandnottobewastedorusedcarelessly

Examplesentence:Timeisprecious,soweshouldmakethemostofit.38.priority[n.]-somethingthatismoreimportantthanotherthingsandthatneedstobedealtwithfirst

Examplesentence:Savingtheenvironmentshouldbeatoppriorityforeveryone.39.recommend[v.]-tosuggestorproposesomethingassuitableorbeneficial

Examplesentence:Thedoctorrecommendedahealthydietandexercise.40.reject[v.]-todecidenottoacceptorusesomething;tosaythatsomethingisnotgoodenough

Examplesentence:Thecompanyrejectedtheproposalduetobudgetconstraints.41.routine[n.]-asequenceofactionsregularlyfollowed

Examplesentence:Followingamorningroutinehelpshimstartthedayproductively.42.secure[adj.]-protectedfromdanger,loss,ortheft;notlikelytobeaffectedbyharmorinjury

Examplesentence:Thebuildinghassecurelocks