1. not cautious; lacking care or caution; reckless or careless
Usage: archaic or literary; rarely used in modern English; 'incautious' is the standard form

Examples

• His incautions remarks during the meeting offended several colleagues.
• The incautions driver swerved through traffic without checking his mirrors.
• She made an incautions decision to invest all her savings in a single stock.
• The explorer's incautions approach to the dangerous terrain put the entire team at risk.