Antonyms of adj unconstructive

1 sense of unconstructive

Sense 1
unconstructive -- (not constructive)

INDIRECT (VIA unhelpful) -> helpful -- (providing assistance or serving a useful function)

Similarity of adj unconstructive

1 sense of unconstructive

Sense 1
unconstructive -- (not constructive)
       => unhelpful (vs. helpful) -- (providing no assistance)