Antonyms of adj impetuous

2 senses of impetuous

Sense 1
hotheaded, impulsive, impetuous, madcap, tearaway (prenominal), brainish -- (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))

INDIRECT (VIA incautious) -> cautious -- (showing careful forethought; "reserved and cautious; never making swift decisions"; "a cautious driver")

Sense 2
impetuous -- (marked by violent force; "impetuous heaving waves")

INDIRECT (VIA forceful) -> forceless, unforceful -- (lacking force; feeble; "a forceless argument")

Similarity of adj impetuous

2 senses of impetuous

Sense 1
hotheaded, impulsive, impetuous, madcap, tearaway (prenominal), brainish -- (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))
       => incautious (vs. cautious) -- (lacking in caution; "an incautious remark"; "incautious talk")

Sense 2
impetuous -- (marked by violent force; "impetuous heaving waves")
       => forceful (vs. forceless) -- (characterized by or full of force or strength (often but not necessarily physical); "a forceful speaker"; "a forceful personality"; "forceful measures"; "a forceful plan for peace")