Impetuous
WordNet

adjective


(1)   Characterized by undue haste and lack of thought or deliberation
"A hotheaded decision"
"Liable to such impulsive acts as hugging strangers"
"An impetuous display of spending and gambling"
"Madcap escapades"; (`brainish' is archaic)
(2)   Marked by violent force
"Impetuous heaving waves"
WiktionaryText

Etymology


Middle English < Old French impetueux < Late Latin impetuosus - (violent) < Latin impetus - (to attack, to rush)

Adjective


impetuous
  1. Making arbitrary decisions, esp. in an impulsive and forceful manner.
  2. Characterized by sudden and violent force.
 
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