Synonyms of monumental

monumental

adjective

ˌmän-yə-ˈmen-tᵊl 

1

as in magnificent

large and impressive in size, grandeur, extent, or conception

a monumental misunderstanding that had far-reaching consequences

Synonyms & Similar Words

• magnificent
• epic
• glorious
• imposing
• massive
• majestic
• grand
• proud
• colossal
• royal
• impressive
• imperial
• heroic
• regal
• wonderful
• tremendous
• splendid
• grandiose
• operatic
• remarkable
• noble
• formidable
• gallant
• luxurious
• Homeric
• lavish
• extraordinary
• cosmic
• stately
• marvelous
• august
• stupendous
• sublime
• baronial
• gorgeous
• monstrous
• superb
• awesome
• prodigious
• terrific
• wondrous
• extravagant
• magnific
• striking
• apocalyptic
• inflated
• divine
• princely
• celestial
• awful
• heavenly
• kingly
• sumptuous
• palatial
• sensational
• pompous
• redoubtable
• opulent
• lordly
• queenly
• killer
• overblown
• prepossessing
• resplendent
• splendiferous
• palatine

Antonyms & Near Antonyms

• humble
• modest
• unimpressive
• ordinary
• common
• average
• unheroic
• lowly
• unprepossessing
• mediocre
• unimposing
• sordid
• trivial
• abject
• insignificant
• petty
• mean
• shabby
• meretricious
• trifling
• puny
• paltry
• second-rate
• run-of-the-mill
• measly

2

as in huge

unusually large

serves a monumental sundae that usually requires three people to finish it

Synonyms & Similar Words

• huge
• gigantic
• enormous
• colossal
• tremendous
• vast
• massive
• giant
• mammoth
• immense
• astronomical
• titanic
• monstrous
• grand
• bumper
• big
• mountainous
• monster
• mighty
• sizable
• heroic
• gargantuan
• great
• cosmic
• oceanic
• prodigious
• mega
• humongous
• planetary
• herculean
• oversize
• galactic
• super
• whopping
• elephantine
• substantial
• cyclopean
• pharaonic
• considerable
• majestic
• jumbo
• major
• handsome
• Himalayan
• supersized
• staggering
• gigantesque
• formidable
• good
• leviathan
• Brobdingnagian
• imposing
• extensive
• supersize
• vasty
• king-size
• walloping
• super-duper
• voluminous
• whacking
• grandiose
• gross
• infinite
• hefty
• overwhelming
• stupendous
• outsize
• tidy
• bulky
• monolithic
• goodly
• overgrown
• hulking
• lofty
• towering
• cavernous
• immeasurable
• largish
• august
• boundless

Antonyms & Near Antonyms

• tiny
• microscopic
• miniature
• minuscule
• infinitesimal
• micro
• diminutive
• pocket
• small
• teensy
• Lilliputian
• teeny
• wee
• pygmy
• minute
• bitty
• little bitty
• little
• midget
• mini
• puny
• smallish
• petite
• undersized
• microminiature
• teensy-weensy
• teeny-weeny
• bantam
• dinky
• dwarfish
• pint-size
• half-pint

3

as in major

having great meaning or lasting effect

the moon landing was seen as a monumental event in human history

Synonyms & Similar Words

• major
• historic
• significant
• important
• big
• substantial
• momentous
• tectonic
• meaningful
• exceptional
• much
• eventful
• remarkable
• pivotal
• consequential
• distinguished
• earthshaking
• weighty
• earth-shattering
• seminal
• decisive
• outstanding
• notable
• noteworthy
• strategic
• material
• serious
• distinctive
• impressive
• worthy
• great
• fatal
• prominent
• crucial
• fateful
• valuable
• famous
• grave
• worthwhile
• earnest
• illustrious
• sincere
• prestigious
• eminent
• key
• critical
• central
• notorious
• essential
• renowned
• noble
• heavy
• all-important
• vital
• preeminent

Antonyms & Near Antonyms

• small
• minor
• trivial
• little
• insignificant
• unimportant
• negligible
• slight
• inconsequential
• trifling
• inconsiderable
• petty
• worthless
• paltry
• unknown
• obscure
• anonymous
• nameless
• uncelebrated

Example Sentences

Recent Examples of monumental

The significance of the hearing is monumental, menopause advocates say. — Laura Trujillo, USA Today, 15 Sep. 2026

Given the questions surrounding the Braves’ starting pitching plan beyond ace Chris Sale, securing a wild-card bye would be a monumental achievement for these NL East leaders. — Stephen J. Nesbitt, New York Times, 14 Sep. 2026

The monumental Lady in Blue depicts a young Black woman striding forward with purpose in a blue dress and heels, her gaze directed ahead of her. — News Desk, Artforum, 10 Sep. 2026

The series, produced in partnership with the Milwaukee Art Museum and the Chipstone Foundation, highlights those who have waded through the deep waters of race, identity and power while building monumental national institutions. — Anya Sesay, jsonline.com, 10 Sep. 2026