incautious

Từ điển WordNet v3.1 - WordNet Dictionary

adjective

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