phlegmatic
5 antonyms for phlegmatic — opposites grouped by meaning.
Adj — Calm and not easily made angry, excited or upset.
Antonyms
Etymology
From Middle English fleumatik, flewmatik, flematik, fleumatyke, flewmatyk, from Old French fleumatique, from Latin phlegmaticus, from Ancient Greek φλεγματικός (phlegmatikós), from φλέγμα (phlégma), referring to the humour which ancient Hippocratic and later Galenic medicine associated with mildness, coldness, sluggish...
Full origin of phlegmatic →