brainish

(adjective)

adjective

1. characterized by undue haste and lack of thought or deliberation

Similar word(s): incautious, hotheaded, impetuous, impulsive, madcap, tearaway

Sentences with brainish as an adjective:

- And, in this brainish apprehension, kills/ The unseen good old man. Hamlet IV. i. ca. 1602.