carelessly · adverb /ˈker.ləs.li/
Word family
Nouns: care, carelessness
Adjectives: careful, careless
Verbs: care
Adverbs: carefully, carelessly
carelessly
B2 in a careless way
Dictionary example:
He told me off for driving carelessly.
Learner example:
I broke your beautiful vase carelessly while I ran to answer the door. (First Certificate in English; B2; Chinese)