Unsubstantial

Antonyms of UNSUBSTANTIAL

durable, adequate, useful, sensible, rude, undeniable, healthy, powerful, detectable, heavy, athletic, potent, massive, husky, rugged, lasting, knockabout, capable, animal, noticeable, sinewy, valid, rough, profitable, advantageous, virile, bulky, fortified, competent, beefy, well-founded, invigorated, discernible, fit, red-blooded, hard, muscular, mighty, recovering, carnal, efficient, tough, brawny, strengthened, sufficient, solid, effective, Vitalized, vigorous, serviceable, fleshly, visible, inured, expedient, coarse, stout, observable, hardy, beneficial, hardened, robust, hale, valuable, worthy, able-bodied, toughened, lusty, energetic, strapping.