English

Definition of sarcastic adjective from the Oxford Advanced Learner's Dictionary

 

sarcastic

 adjective
adjective
BrE BrE//sɑːˈkæstɪk//
 
; NAmE NAmE//sɑːrˈkæstɪk//
 
(also British English, informal sarky)
 
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showing or expressing sarcasm sarcastic comments a sarcastic manner ‘There's no need to be sarcastic,’ she said. Word Origin late 17th cent.: from French sarcastique, from sarcasme (see sarcasm), on the pattern of pairs such as enthousiasme, enthousiastique.Extra examples His tone was lightly sarcastic. He looked up and forced a sarcastic smile. Her tone was faintly sarcastic. She was waiting for him to make some sarcastic comment. There’s no need to be sarcastic.
See the Oxford Advanced American Dictionary entry: sarcastic