verb (used with object), lam·bast·ed, lam·bast·ing. Informal.
to beat or whip severely.
to reprimand or berate harshly; censure; excoriate.
Origin of lambaste
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019
Examples from the Web for lambast
Historical Examples of lambast
to beat or whip severely
to reprimand or scold
Word Origin for lambast
C17: perhaps from lam 1 + baste ³
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
1630s, from lam (1590s, ultimately from a Scandinavian source, cf. Old Norse lemja "to beat, to lame") + baste "to thrash" (see baste). Related: Lambasted; lambasting.
Online Etymology Dictionary, © 2010 Douglas Harper