careless or not paying attention

negligent

adjective|/ˈnɛg.lɪ.dʒənt/

Failing to take proper care in doing something; careless

Examples

In a meeting

It would be negligent not to back up these files regularly.

Over coffee

I've been negligent about calling my parents lately.

Why this word

careless

negligent implies culpable failure to exercise proper care or duty, often with legal implications, while careless is more casual and less serious

irresponsible

negligent specifically means failing in a duty of care owed, while irresponsible broadly means not taking accountability

lazy

negligent focuses on failure to fulfill obligations through lack of care, while lazy refers to unwillingness to exert effort

Usage tip

Has legal connotations; implies failure of duty or responsibility, not just forgetfulness

Etymology

Latin 'neglegere' meaning 'to disregard' (from 'neg-' not + 'legere' to gather, choose)

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