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productive of

ADJECTIVE

conducive

Synonyms

STRONGEST

helpful useful

WEAK

accessory calculated to produce contributive contributory leading promotive tending

Antonyms

STRONGEST

useless worthless

WEAK

adverse discouraging hindering unconducive unfavorable unhelpful

From Roget's 21st Century Thesaurus, Third Edition Copyright © 2013 by the Philip Lief Group.