hefty (adj.)

• adipose
• annoying
• arduous
• awkward
• backbreaking
• beefy
• big
• big-bellied
• blowzy
• bosomy
• bothersome
• bouncing
• brawny
• bulky
• burdensome
• burly
• buxom
• chubby
• chunky
• clumsy
• considerable
• corpulent
• crushing
• cumbersome
• dumpy
• effortful
• enormous
• extensive
• fat
• fattish
• fleshy
• forced
• forceful
• forcible
• full
• full-blooded
• full-strength
• gross
• grueling
• gutsy
• hale
• hard
• hard-fought
• hardy
• hearty
• heavy
• heavyset
• hippy
• huge
• husky
• imposing
• impressive
• irksome
• killing
• labored
• laborious
• large
• large-scale
• leaden
• lusty
• major
• massive
• meaty
• mighty
• muscular
• nervy
• obese
• obstinate
• onerous
• operose
• oppressive
• overweight
• painful
• paunchy
• plaguey
• plump
• podgy
• ponderous
• portly
• potbellied
• potent
• powerful
• pudgy
• puffy
• puissant
• punishing
• pursy
• red-blooded
• robust
• robustious
• roly-poly
• rotund
• rugged
• sizable
• sizeable
• square
• squat
• squatty
• stalwart
• steely
• stocky
• stout
• strained
• strapping
• strenuous
• strong
• strong-willed
• sturdy
• substantial
• swollen
• thick-bodied
• thickset
• toilsome
• top-heavy
• tough
• troublesome
• trying
• tubby
• unwieldy
• uphill
• vexatious
• vigorous
• wearisome
• weighty
• well-fed