Antonyms of adj overcautious

1 sense of overcautious

Sense 1
overcautious -- (unnecessarily cautious; "sometimes it doesn't pay to be overcautious in business")

INDIRECT (VIA cautious) -> incautious -- (lacking in caution; "an incautious remark"; "incautious talk")

Similarity of adj overcautious

1 sense of overcautious

Sense 1
overcautious -- (unnecessarily cautious; "sometimes it doesn't pay to be overcautious in business")
       => cautious (vs. incautious) -- (showing careful forethought; "reserved and cautious; never making swift decisions"; "a cautious driver")