incautious
1. lacking in caution - an incautious remark - incautious talk • Ant: cautious • Similar to: hotheaded, impulsive, impetuous, madcap, tearaway, brainish • See Also: adventurous, adventuresome, careless 2. carelessly failing to exercise proper caution - an incautious step sent her headlong down the stairs • Similar to: careless • Derivationally related forms: incautiousness
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