careless

adjective
B1
1
B1
not giving enough attention and thought to what you are doing, so that you make mistakes
بی‌دقت, بی‌احتیاط, بی‌فکر, سر به هوا
opposite careful
2
B1
resulting from a lack of attention and thought
بی‌دقت, بی‌فکر, سهل‌انگار, بی‌احتیاط, سرسری
a careless mistake/error
3
not at all worried about something
بی‌خیال, بی‌دغدغه
He seemed careless of his own safety.
4
not showing interest or effort
بی‌دقت, سرسری, بی‌توجه
She gave a careless shrug.
a careless laugh/smile
synonym casual