Synonyms of hefty

hefty

adjective

ˈhef-tē 

1

as in massive

having great weight

that's a pretty hefty book bag for a tiny person like you

Synonyms & Similar Words

• massive
• heavy
• weighty
• ponderous
• substantial
• bulky
• voluminous
• burdensome
• outsize
• solid
• leaden
• massy
• elephantine
• overweight
• lumpish
• top-heavy
• ultraheavy

Antonyms & Near Antonyms

• light
• weightless
• slight
• fluffy
• feathery
• flimsy
• insubstantial
• ethereal
• gossamer
• airy
• lightweight
• undersized
• underweight
• gossamery
• ultralight
• ultralightweight

2

as in large

of a size greater than average of its kind

received a hefty donation from the local business association for holiday lights along Main Street

Synonyms & Similar Words

• large
• sizable
• substantial
• considerable
• huge
• big
• oversize
• great
• handsome
• vast
• tidy
• staggering
• colossal
• massive
• excessive
• gigantic
• enormous
• tremendous
• bulky
• voluminous
• outsize
• goodly
• husky
• mammoth
• largish
• grand
• biggish
• immense
• whopping
• boxcar
• extravagant
• gargantuan
• hulking
• ample
• humongous
• astronomical
• major
• exorbitant
• stupendous
• spacious
• prodigious
• monumental
• monstrous
• titanic
• super
• mountainous
• jumbo
• herculean
• plentiful
• inordinate
• elephantine
• copious
• cosmic
• cavernous
• monolithic
• appreciable
• thick
• extreme
• gross
• galactic
• heroic
• abundant
• supersized
• bumper
• cyclopean
• immoderate
• walloping
• Himalayan
• whacking
• Brobdingnagian
• vasty
• pharaonic
• hellacious
• king-size
• leviathan
• super-duper
• capacious
• Bunyanesque
• commodious
• roomy
• fat

Antonyms & Near Antonyms

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

3

as in powerful

strongly and heavily built

hefty since childhood, he became a champion wrestler

Synonyms & Similar Words

• powerful
• mighty
• beefy
• athletic
• burly
• husky
• strong
• sturdy
• brawny
• hulking
• stout
• solid
• heavy
• muscular
• mesomorphic
• robust
• rugged
• herculean
• strapping
• sinewy
• stalwart
• chunky
• stocky
• compact
• thickset
• squat
• heavyset
• able-bodied
• squatty
• pudgy
• chubby
• muscle-bound
• portly
• dumpy
• lumpish
• tubby
• podgy
• roly-poly

Antonyms & Near Antonyms

• slight
• slender
• thin
• light
• lightweight
• slim
• lean
• svelte
• spare
• willowy
• bony
• skinny
• lanky
• scrawny
• gaunt
• weedy
• stringy
• reedy
• waspish
• wiry
• gawky
• scraggy
• sylphlike
• weak
• puny
• feeble
• delicate
• fragile
• twiggy
• spidery
• gangling
• frail
• wimpy
• weakly
• gangly
• infirm
• effete
• debilitated
• enfeebled
• emaciated
• unathletic
• enervated

Example Sentences

Recent Examples of hefty

While some fall staples can stick around, cooler temperatures call for heftier silhouettes, cozier fabrics, and clever layering. — Amanda Le, InStyle, 2 Nov. 2026

Coach Tiago Splitter set an expectation in preseason for players to shoulder a hefty responsibility for their individual rebounding. — Julia Poe, Chicago Tribune, 1 Nov. 2026

Failing to comply with league warnings can result in hefty fines. — Jon Root Outkick, FOXNews.com, 1 Nov. 2026

Martha Stewart has issued a statement after drawing hefty backlash for dressing up as a homeless person for Halloween. — Payton Turkeltaub, Variety, 1 Nov. 2026