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

The governor's office ordered the individual to pay the hefty fine, which the person agreed to do. — CBS News, 13 Aug. 2026

Soto and Silva are offering the El Ruso signatures of chile colorado, carne asada and birria de res, among others, all available as tacos or hefty sobaqueras. — Stephanie Breijo, Los Angeles Times, 12 Aug. 2026

Direct lending from private funds has become one of Wall Street’s favorite moves, and the high-interest loans offer hefty returns; the private market is worth about $2 trillion, up hugely from a decade ago. — Tom Chivers, semafor.com, 10 Aug. 2026

But hefty expenses from buying up all that inventory and handling shipping and returns for retailers makes Pattern’s financials look more like a clothing or restaurant business than a hot tech company. — Danielle Chemtob, Forbes.com, 10 Aug. 2026