careful · adjective /ˈker.fəl/
Word family
Nouns: care, carelessness
Adjectives: careful, careless
Verbs: care
Adverbs: carefully, carelessly
careful
A2 giving a lot of attention to what you are doing so that you do not have an accident, make a mistake, or damage something
Dictionary examples:
Be careful with that knife.
Be careful where you put that hot pan.
Be careful what/how much you say to him - he can't keep any secrets!
Be careful to look both ways when you cross the road.
Michael is a very careful worker.
Learner example:
I think you must be more careful. (Key English Test; A2; Turkish)