Synonyms of monster

monster 1 of 2

noun

ˈmän(t)-stər 

1

as in demon

a strange or horrible and often frightening creature

both children insisted that their parents check under the bed for monsters every night

Synonyms & Similar Words

• demon
• grotesque
• ogre
• monstrosity
• grotesquerie
• Frankenstein
• devil
• terror
• horror
• fright
• mutant
• incubus
• banshee
• ogress
• bugaboo
• imp
• bugbear
• abomination
• bogey
• bogeyman
• abnormality
• mutation
• bête noire
• fiend
• freak
• anathema

2

as in anomaly

a person, thing, or event that is far from normal

the gardener destroyed all of the monsters that mutated from his tomato plants

Synonyms & Similar Words

• anomaly
• mutation
• freak
• abnormality
• monstrosity
• exception
• mutant
• rarity
• weirdo
• malformation
• eccentric
• deviant
• crackpot
• crank
• irregularity
• screwball
• oddball
• character
• kook
• maverick
• miscreation
• nut
• singularity
• crackbrain
• individualist
• aberration
• peculiarity
• aberrant
• nonconformist
• curiosity
• oddity

Antonyms & Near Antonyms

• normal
• average
• standard
• sample
• specimen
• par
• norm
• usual
• commonplace

3

as in villain

a mean, evil, or unprincipled person

the guards at the concentration camps were monsters who enjoyed seeing their victims suffer

Synonyms & Similar Words

• villain
• brute
• beast
• savage
• devil
• criminal
• offender
• bandit
• wretch
• rogue
• assassin
• thug
• fiend
• scoundrel
• heavy
• gangster
• rascal
• nazi
• knave
• loser
• reprobate
• hound
• scamp
• baddie
• caitiff
• miscreant
• scalawag
• snake
• evildoer
• scapegrace
• varlet
• no-good
• perpetrator
• crook
• meanie
• culprit
• rapscallion
• villainess
• trespasser
• viper
• serpent
• heel
• blackguard
• felon
• con
• outlaw
• sinner
• perp
• transgressor
• rough
• lawbreaker
• wrongdoer
• cad
• malefactor
• tough
• desperado
• cutthroat
• convict
• ruffian
• hoodlum
• hooligan
• racketeer
• goon
• stinker
• jailbird
• lowlife
• gunman
• rowdy
• bravo
• trash
• ne'er-do-well

Antonyms & Near Antonyms

• innocent
• hero
• angel
• saint

4

as in giant

something large of its kind

a monster of a sandwich that could easily feed two hearty eaters

Synonyms & Similar Words

• giant
• whale
• dinosaur
• mammoth
• elephant
• titan
• hulk
• Goliath
• behemoth
• leviathan
• colossus
• blockbuster
• jumbo
• mastodon
• dreadnought
• whopper
• heavyweight
• giantess
• juggernaut
• bulk
• amazon
• steamroller

Antonyms & Near Antonyms

• dwarf
• midget
• diminutive
• mite
• runt
• half-pint
• pygmy
• lightweight
• weakling
• wisp
• wimp
• peewee
• nonentity
• twerp
• whippersnapper

monster

2 of 2

adjective

as in gigantic

unusually large

a monster truck competition

Synonyms & Similar Words

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

Antonyms & Near Antonyms

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

Example Sentences

Recent Examples of monster

Noun

In late July, Hurricane Genevieve roared into a monster Category 5 east of Hawaii. — Sean MacAday, Sacbee.com, 1 Sep. 2026

Making the boss a literal monster was a way to externalize all of those fears. — Jennifer Maas, Variety, 31 Aug. 2026

Adjective

The fourth line had a monster game against the Blue Jackets. — Steve Conroy, Boston Herald, 14 Apr. 2026

Parkinson stands 6-foot-7 and had monster red-zone production in 2025, which would offer a dimension that the Broncos haven’t had at tight end since the days of Julius Thomas. — Luca Evans, Denver Post, 27 Mar. 2026

Phrases Containing monster

• green-eyed monster