incautious
🇺🇸
/ɪnˈkɔːʃəs/
🇬🇧
/ɪnˈkɔːʃəs/
adjective
R
not careful or not thinking about possible bad results
It was incautious of him to leave his phone on the table.
彼が携帯をテーブルに忘れるなんて不慎重でした。
translation
用心しない