sarcastic

 
Pronunciation: /sɑːˈkastɪk/

adjective

  • marked by or given to using irony in order to mock or convey contempt: making sarcastic comments I think they’re being sarcastic

Derivatives

sarcastically

Pronunciation: /sɑːˈkastɪk(ə)li/
adverb

Origin:

late 17th century: from French sarcastique, from sarcasme (see sarcasm), on the pattern of pairs such as enthousiasme, enthousiastique