careless · adjective /ˈker.ləs/
Word family
Nouns: care, carelessness
Adjectives: careful, careless
Verbs: care
Adverbs: carefully, carelessly
careless
B1 not giving enough attention to what you are doing
Dictionary examples:
careless driving/drivers
My son's teacher says that his work is often careless and sloppy.
He made a careless remark about her appearance that really upset her.
Learner example:
Car accidents happen every day, because many drivers are careless. (First Certificate in English; B2; Greek)