Synonyms of Herculean in English:

Herculean


See definition of Herculean

adjective

1‘a Herculean task’

SYNONYMS
arduous, gruelling, laborious, back-breaking, onerous, strenuous, difficult, formidable, burdensome, hard, tough, huge, heavy, massive, uphill, Sisyphean
demanding, exhausting, taxing, exacting, wearying, wearisome, fatiguing
informal killing
British informal knackering
archaic toilsome
ANTONYMS

easy

2‘he was a man of Herculean build’

SYNONYMS
strong, muscular, muscly, powerful, sturdy, robust, solid, well built, powerfully built, solidly built, strapping, brawny, burly, broad-shouldered, as strong as an ox, as strong as a horse, as strong as a lion
informal hunky, beefy, hulking, ripped, shredded
North American informal buff
literary stalwart, thewy, stark
ANTONYMS

puny