under
[(1)below;(2)belowthesurfaceof;(3)lessthan;(4)ascalledforbya
law,agreementorsystem]
Theriverflowsunderthebridge.(1)
Thesubmarinewentunder.(2)
Thebookwasunder20dollars.(3)
Suchactionisnotpermittedunderthelaw.(4)
understand
[(1)toknowwhatismeant;(2)tohaveknowledgeof]
Iunderstandwhatyoumean.(1)
Heunderstandschemistry.(2)
unite
[tojointogether]
Thenewpresidentwilltrytouniteallpartiesinsupportofhisprogram.
universe
[allofspace,includingplanetsandstars]
Doyouknowwhytheuniverseisexpanding?
university
[aplaceofeducationthatusuallyincludesseveralcollegesandresearch
organizations]
Hersonsarestudentsatdifferentuniversities.
unless
[(1)exceptifithappens;(2)onconditionthat]
Iwillnotgo,unlesstherainstops.(1)
Iwillcometoyourhouseunlessitrains.(2)
until
[(1)uptoatime;(2)before]
Shesaidshewouldwaitformeuntilthreeo’clock.(1)
Wecannotstartuntileveryonearrives.(2)
up
[to,inoratahigherpositionorvalue]
Wewillwalkupthestairs.
urge
[(1)toadvisestrongly;(2)tomakeagreatefforttogetsomeonetodo
something]
Heurgedthegovernortothinkcarefullybeforesigningsuchabill.(1)
Thespeakerurgedthecrowdtotakecontroloftheuniversity.(2)
urgent
[needinganimmediatedecisionoraction]
Shesaidurgentactionisnecessary.
us
[(1)theformoftheword"we"usedafterapreposition;(2)orusedasan
objectofaverb]
Hesaidhewouldwritetous.(1)
Theysawusyesterday.(2)
use
[(1)toemployforapurpose;(2)toputintoaction]
Weuseelectricitytolightourhouse.(1)
Heusedapieceofglasstocuttheropesthattiedourhands.(2)
usual
[(1)asisnormalorcommon;(2)asismostoftendone,seenorheard]
Theywatchedalltheusualtelevisionshows.(1)
Weleftforworkatourusualtime.(2)