Synonyms of strenuous in English:

strenuous


See definition of strenuous

adjective

1‘it's a pretty strenuous climb’

SYNONYMS

arduous, difficult, hard, tough, taxing, demanding, exacting, uphill, stiff, formidable, heavy, exhausting, tiring, fatiguing, gruelling, back-breaking, murderous, punishing

informal no picnic, killing

British informal knackering

archaic toilsome

ANTONYMS

easy, effortless

2‘the college has made strenuous efforts to attract overseas students’

SYNONYMS

vigorous, energetic, active, enthusiastic, keen, zealous, forceful, strong, Herculean, spirited, dynamic, intense, determined, resolute, tenacious, tireless, stout, indefatigable, unremitting, dogged, pertinacious

ANTONYMS

half-hearted, feeble