Synonyms for incisive

modified

1. Sarcastic

   penetrating, cutting, biting, sharp, severe; see also sarcastic.

2. Intelligent

   trenchant, penetrating, perceptive, clever, bright, profound; see also intelligent 1.

incisive is applied to speech or writing that seems to penetrate directly to the heart of the matter, resulting in a clear and unambiguous statement an incisive criticism; trenchant implies clean-cut expression that results in sharply defined categories, differences, etc. a trenchant analysis; cutting implies incisive qualities but also connotes such harshness or sarcasm as to hurt the feelings his cutting allusion to her inefficiency; biting implies a caustic or stinging quality that makes a deep impression on the mind his biting satire