Quantcast
Merriam-Webster Logo
  • Dictionary
  • Thesaurus
  • Medical
  • Scrabble
  • Spanish Central
  • Learner's Dictionary

Thesaurus

unsubstantial

adjective

Synonyms and Antonyms of unsubstantial

  1. 1 not composed of matter <as thin and unsubstantial as the wind> Synonyms bodiless, ethereal, formless, incorporeal, insubstantial, nonmaterial, nonphysical, spiritual, unbodied, immaterialRelated Words metaphysical, psychic (also psychical), supernatural; impalpable, insensible, intangible, invisible; airy, diaphanous, gaseous, gossamery, tenuous, thin, vaporous, wispishNear Antonyms animal, carnal, fleshly; detectable, discernible (also discernable), noticeable, observable, palpable, sensible, tangible, visible; bulky, heavy, massive, solidAntonyms bodily, corporeal, material, physical, substantial

  2. 2 being of a material lacking in sturdiness or substance <unsubstantial wisps of lace> Synonyms cobwebby, filmy, frothy, gauzy, gossamer, gossamery, insubstantial, sleazy, flimsyRelated Words dainty, delicate, fine; feeble, fragile, frail; diaphanous, sheer, transparentNear Antonyms durable, knockabout, lasting, tough; coarse, heavy, rough, rudeAntonyms sturdy, substantial

  3. 3 lacking bodily strength <an unsubstantial child who was unfit to play sports of any kind> Synonyms asthenic, debilitated, delicate, down-and-out, effete, enervated, enfeebled, faint, feeble, frail, infirm, languid, low, prostrate, prostrated, sapped, slight, soft, softened, tender, weak, wasted, weakened, wimpish, wimpyRelated Words 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, yieldingNear Antonyms 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; capable, competent; convalescing, recovering, recuperatingAntonyms mighty, powerful, rugged, stalwart, stout, strong




Learn More about unsubstantial


Seen and Heard

What made you want to look up unsubstantial? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

to defraud especially of money

Get Word of the Day daily email!

WORD GAMES

Take a 3-minute break and test your skills!

image567572573

Which of these is a synonym of unctuous?

oily angry maudlin prompt
Name That Thing

Test your visual vocabulary with our 10-question challenge!

TAKE THE QUIZ
SCRABBLE® Sprint

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ