Adjective: incautious in'ko-shus
- Lacking in caution
"an incautious remark"; "incautious talk"
- Carelessly failing to exercise proper caution
"an incautious step sent her headlong down the stairs"
See also: adventuresome, adventurous, brainish [archaic], careless, cavalier, hotheaded, impetuous, impulsive, madcap, tearaway
Antonym: cautious