1) Big 2) Brawny 3) Considerable 4) Fat 5) Goodly 6) Heavy 7) Large 8) Muscular 9) Plump 10) Sizable 11) Smurf 12) Strong 13) Thickset 1) Big and rugged 2) Big and strong 3) Big name in garbage bags 4) Big name in the bags aisle 5) Brawny 6) Built like a fullback 7) Bulky, heavy 8) CinchSak maker 9) Describing guards and tackles 10) Difficult to hoist 11) Fairly sizeable 12) Far from lightweight 13) Glad rival 14) Glad shelfmate 15) Hard to lift 
Hefty is a brand name of household products such as trash bags and trash cans, disposable tableware, children’s disposable tableware, slider closure food storage and freezer bags, plastic storage bins, and disposable cookware. Originally a Mobil product, the brand has been owned by Reynolds Consumer Products, Inc since 2010. ==Retailers== Hefty ...
• (a.) Moderately heavy.
Heft'y adjective Moderately heavy. [ Colloq. U. S.]
[adj] - of considerable weight and size
adjective of considerable weight and size; `a hefty dictionary`