Synonyms and Antonyms of unsubstantial
1
not composed of matter
- as thin and unsubstantial as the wind
metaphysical, psychic (also psychical), supernatural
impalpable, insensible, intangible, invisible
airy, diaphanous, gaseous, gossamery, tenuous, thin, vaporous, wispish
animal, carnal, fleshly
detectable, discernible (also discernable), noticeable, observable, palpable, sensible, tangible, visible
bulky, heavy, massive, solid
2
being of a material lacking in sturdiness or substance
- unsubstantial wisps of lace
3
lacking bodily strength
- an unsubstantial child who was unfit to play sports of any kind
asthenic, debilitated, delicate, down-and-out, effete, enervated, enfeebled, faint, feeble, frail, infirm, languid, low, prostrate, prostrated, sapped, slight, soft, softened, tender, wasted, weak, weakened, wimpish, wimpy
challenged, disabled, incapacitated, invalid
paralyzed
broken-down, decrepit
impotent, powerless
breakable, flimsy, fragile
dizzy, groggy, rocky, unsteady, woozy
drained, exhausted, flagging, tired, weary, worn-out
damaged, harmed, hurt, impaired, injured, lame, unsound
resistless, susceptible, unresistant, vulnerable, yielding
able-bodied, athletic, beefy, brawny, fit, husky, muscular, sinewy, strapping, virile
hard, hardy, lusty, red-blooded, robust, sturdy, tough
fortified, hardened, inured, strengthened, toughened
energetic, energized, invigorated, vigorous, vitalized
hale, healthy, sound
