adjective
1.
Synonyms: futile , abortive, bootless, fruitless, ineffective, unavailable, unavailing, unproductive, useless, vain
Antonyms: effectual
2.
Synonyms: ineffective 3, inefficacious, inefficient
Antonyms: effectual
3.
Synonyms: weak 4, boneless, emasculate, forceless, impotent, inadequate, ineffective, invertebrate, slack-spined, spineless
4.
Synonyms: little 2, borné, limited, mean, narrow, paltry, set, small