productive

1 having a role in deciding something's final form contributed several productive ideas to the project Synonyms constructive, formativeRelated Words causal, creative; consequential, influentialAntonyms nonconstructive, nonproductive, unproductive

2 producing abundantly overfishing has depleted the stock of fish in these waters, which were once so productive Synonyms cornucopian, fat, fecund, fructuous, fruitful, lush, luxuriant, fertile, prolific, richRelated Words bearing, generative, producing, yielding; abounding, abundant, bountiful; copious, generous, liberal, plenteous, plentiful, plentitudinous; blooming, bursting, flourishing, swarming, teeming, thriving; creative, inventive, originalNear Antonyms meager (or meagre), scant, scanty, skimp, skimpy, spare, sparseAntonyms barren, dead, infertile, sterile, unfertile, unfruitful, unproductive

3 producing or capable of producing a desired result panicking during a crisis is not productive behavior Synonyms effectual, efficacious, efficient, fruitful, operative, potent, effectiveRelated Words hyperefficient, ultraefficient; adequate, capable, competent; accomplished, adept, consummate, experienced, expert, masterly, practiced (also practised), proficient, skilled, skillful, versed, veteran, virtuoso; cogent, convincing, killer, sound, striking, telling, valid; active, dynamic; useful, working; applicable, feasible, functional, practicable, practical, realizable, usable (also useable), workableNear Antonyms counterproductive; incapable, incompetent, inexperienced, inexpert, unqualified, unseasoned, unskilled, unskillful; abortive, bootless, futile, vain; empty, hollow, idle, pointless, unavailing, unprofitable, unsuccessful; inoperative, worthlessAntonyms fruitless, ineffective, ineffectual, inefficient, inoperative, unfruitful, unproductive, useless