Definition of lambaste verb from the Oxford Advanced Learner's Dictionary

 

lambaste

 verb
(also lambast)verb
BrE BrE//læmˈbeɪst//
 
; NAmE NAmE//læmˈbeɪst//
 
Verb Forms present simple I / you / we / they lambaste
BrE BrE//læmˈbeɪst//
 
; NAmE NAmE//læmˈbeɪst//
 
he / she / it lambastes
BrE BrE//læmˈbeɪsts//
 
; NAmE NAmE//læmˈbeɪsts//
 
past simple lambasted
BrE BrE//læmˈbeɪstɪd//
 
; NAmE NAmE//læmˈbeɪstɪd//
 
past participle lambasted
BrE BrE//læmˈbeɪstɪd//
 
; NAmE NAmE//læmˈbeɪstɪd//
 
-ing form lambasting
BrE BrE//læmˈbeɪstɪŋ//
 
; NAmE NAmE//læmˈbeɪstɪŋ//
 
 
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lambaste somebody/something (formal) to attack or criticize somebody/something very severely, especially in public synonym lay into somebody/something Word Origin mid 17th cent. (in the sense ‘beat, thrash’): from lam ‘hit hard’ + baste ‘thrash’. The current sense dates from the late 19th cent.
See the Oxford Advanced American Dictionary entry: lambaste