- helpful - providing assistance or serving a useful function
Antonyms: unhelpful, unaccommodating, unconstructive, useless
- helpful - of service or assistance; "a child who is helpful around the house can save the mother many steps"
Antonym: useless (indirect, via useful)
- helpful - showing a willingness to cooperate; "a helpful cooperative patient"; "parents hope to raise children who are considerate and helpful to others"
Antonym: uncooperative (indirect, via cooperative)