Synonyms of back-breaking in English:

back-breaking


See definition of back-breaking

adjective

1‘a back-breaking task’

SYNONYMS

gruelling, arduous, strenuous, onerous, punishing, murderous, crushing, Herculean, demanding, exacting, taxing, formidable, exhausting, draining, laborious, burdensome, tough, stiff, uphill, heavy

informal killing

British informal knackering

archaic toilsome

ANTONYMS

easy, effortless