Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun madcap

1 sense of madcap

Sense 1
daredevil, madcap, hothead, swashbuckler, lunatic, harum-scarum -- (a reckless impetuous irresponsible person)
       => adventurer, venturer -- (a person who enjoys taking risks)

Antonyms of adj madcap

1 sense of madcap

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")

Similarity of adj madcap

1 sense of madcap

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")