Synonyms of monumental in English:

monumental


See US English definition of monumental

See UK English definition of monumental

See Spanish definition of monumental

adjective

1‘a monumental task’

SYNONYMS
huge, great, enormous, gigantic, massive, colossal, mammoth, immense, tremendous, mighty, stupendous, vast, prodigious, Herculean, titanic, gargantuan, staggering, exceptional, extraordinary
British informal ginormous

2‘a monumental error of judgement’

SYNONYMS
terrible, dreadful, awful, colossal, staggering, huge, enormous
catastrophic, unforgivable, indefensible
informal whopping
rare egregious

3‘the ballet is one of his most monumental works’

SYNONYMS
impressive, striking, outstanding, remarkable, magnificent, marvellous, majestic, stupendous, prodigious, ambitious, large-scale, grand, awe-inspiring, awesome, important, significant, distinguished, classic, memorable, transcendent, exalted, unforgettable, enduring, lasting, abiding, permanent, immortal, historic, epoch-making

4‘a monumental inscription’

SYNONYMS
commemorative, memorial, celebratory, commemorating, funerary