Meaning & use
careless
Not giving enough attention or thought to what one is doing, resulting in mistakes or harm.
See it in a sentence
A careless mistake in the calculations caused the bridge design to fail inspection.
He was careless with his keys and lost them twice in one week.
A note on using this word
Careless focuses on lack of attention rather than lack of skill, and is often followed by 'with' or 'about.'
Words with a similar meaning
negligentsloppy
Choose a synonym to suit the sentence. Meanings can overlap without being identical.
Words with an opposite meaning
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