• Bengali Word নিরুৎসাহ English definition (adjective) without enthusiasm/ courage/ zeal; dejected; lackadaisical; disinterested; indifferent; indolent; listless; disheartened. (noun) lack/ loss of enthusiasm/ zeal; discouragement; indolence; dejection; despair; downheartedness; dismay. নিরুৎসাহ করা (verb transitive) discourage; dishearten; dismay; depress.