Synonyms of hefty in English:

hefty


See definition of hefty

adjective

1‘a hefty young man’

SYNONYMS
burly, heavy, sturdy, strapping, bulky, brawny, husky, strong, muscular, large, big, massive, weighty, solid, well built, solidly built, powerfully built
portly, stout
informal hulking, hunky, beefy, ripped, shredded
North American informal buff
US informal jacked
literary stalwart, thewy
ANTONYMS

slight, gaunt

2‘he aimed a hefty kick at the door’

SYNONYMS
powerful, violent, hard, forceful, heavy, vigorous, mighty, thunderous
ANTONYMS

feeble

3‘the horses hauled hefty loads of timber and metal’

SYNONYMS
heavy, weighty, bulky, leaden, big, large, substantial, massive, ponderous
unwieldy, cumbersome, burdensome, awkward
informal hulking, weighing a ton
ANTONYMS

light

4‘they face a hefty fine’

SYNONYMS
substantial, sizeable, considerable, stiff, high-cost, extortionate, inflated, large, huge, excessive, colossal
British over the odds
informal steep, astronomical, whopping, thumping
British informal whacking, whacking great
ANTONYMS

small, paltry