[ uhp-thruhst ]
/ ˈʌpˌθrʌst /


a thrust in an upward direction.
a sudden and forceful upward movement, as of a nation's economy or the stock market: Market observers are hoping the upthrust can be sustained.
Geology. an upheaval.

verb (used without object)

to thrust upward: Frost caused the ground to upthrust.

Origin of upthrust

First recorded in 1840–50; up- + thrust
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for upthrust

British Dictionary definitions for upthrust


/ (ˈʌpˌθrʌst) /


an upward push or thrust
geology a violent upheaval of the earth's surface
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012