Synonyms of useful in English:

useful


See US English definition of useful

See UK English definition of useful

See Spanish definition of útil

adjective

1‘it is such a useful box’

SYNONYMS
functional, practical, handy, neat, convenient, utilitarian, utility, helpful, applicable, serviceable, of use, of service
informal nifty
ANTONYMS

useless

2‘they found watching the court proceedings a useful experience’

SYNONYMS
beneficial, advantageous, helpful, worthwhile, profitable, gainful, rewarding, productive, constructive, effective, efficacious, valuable, fruitful, of help, of assistance
ANTONYMS

disadvantageous

3‘they had some very useful players’

SYNONYMS
competent, capable, able, expert, skilful, skilled, proficient, practised, experienced, effective, handy
ANTONYMS

incompetent