Antonyms of adj helpful

1 sense of helpful

Sense 1
helpful (vs. unhelpful) -- (providing assistance or serving a useful function)

unhelpful (vs. helpful) -- (providing no assistance)
        => unaccommodating -- (offering no assistance; "rudely unaccommodating to the customers"; "icily neutral, disagreeably unhelpful")
        => unconstructive -- (not constructive)

Similarity of adj helpful

1 sense of helpful

Sense 1
helpful (vs. unhelpful) -- (providing assistance or serving a useful function)
       => accommodating -- (obliging; willing to do favors; "made a special effort to be accommodating")
       => adjuvant -- (enhancing the action of a medical treatment; "the adjuvant action of certain bacteria")
       => assistive -- (giving assistance)
       => face-saving -- (maintaining dignity or prestige; "a face-saving compromise")
       => facilitative -- (freeing from difficulty or impediment; "facilitative changes in the economic structure")
       => facilitatory -- (inducing or aiding in facilitating neural activity)
       => implemental, instrumental, subservient -- (serving or acting as a means or aid; "instrumental in solving the crime")
       => laborsaving, laboursaving -- (designed to replace or conserve human and especially manual labor; "laborsaving devices like washing machines")
       => ministrant -- (giving practical help to; "a ministering angel"; "the angels ministrant sang"; "the attending physician")
       => reformative, reformatory -- (tending to reform; "reformative and rehabilitative agencies"; "reformatory punishment")
       => right-hand -- (most helpful and reliable; "my right-hand man")
       => stabilizing, stabilising -- (causing to become stable; "the family is one of the great stabilizing elements in society")
       => steadying -- (causing to become steady; "had a steadying effect on her nerves")
          Also See-> accommodating#1, accommodative#1; cooperative#2; encouraging#1; useful#1, utile#1