- to heave or rise upwards
- to thrust (land) upwards or (of land) to be thrust upwards
- (transitive) to disturb violently; throw into disorder
WordReference Random House Unabridged Dictionary of American English © 2026
up•heave
(up hēv′),USA pronunciation v., -heaved or -hove, -heav•ing.
v.t.
v.i.
up•heav′er, n.
v.t.
- to heave or lift up;
raise up or aloft. - to force or throw up violently or with much power, as an erupting volcano.
- to cause a major disturbance or disorder in:The revolution upheaved the government, causing its leaders to flee the country.
v.i.
- to rise upward, esp. extensively or powerfully.
- Middle English upheven. See up-, heave 1250–1300
Collins Concise English Dictionary © HarperCollins Publishers::
upheave /ʌpˈhiːv/ vb ( -heaves, -heaving, -heaved, -hove)
'upheave' also found in these entries (note: many are not synonyms or translations):