Definition of grot noun from the Oxford Advanced Learner's Dictionary

 

grot

 noun
noun
BrE BrE//ɡrɒt//
 
; NAmE NAmE//ɡrɑːt//
 
[uncountable](British English, informal)
 
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something unpleasant, dirty or of poor quality Word Origin 1960s: back-formation from grotty.