Antonyms of adj inutile

1 sense of inutile

Sense 1
inutile -- (not worth using)

INDIRECT (VIA useless) -> useful, utile -- (being of use or service; "the girl felt motherly and useful"; "a useful job"; "a useful member of society")

Similarity of adj inutile

1 sense of inutile

Sense 1
inutile -- (not worth using)
       => useless (vs. useful) -- (having no beneficial use or incapable of functioning usefully; "a kitchen full of useless gadgets"; "she is useless in an emergency")