Other Words for Insubstantial

Insubstantial as a Adjective has these synonyms:

illusory, unreal, illusive, imaginary, imagined, fanciful, fancied, visionary, immaterial, intangible, impalpable, incorporeal, airy, ethereal, spiritual, chimerical, phantom, phantasmal, phantasmagorical, hallucinatory, fantastic, false

Example: Through the mist London seemed insubstantial, a dream city of vapours rising from the Thames.

unsubstantial, insignificant, meager, diaphanous, small, flimsy, frail, weak, feeble, paltry, puny, slight, thin, tenuous, fragile, light, gossamer, wispy, wisp-like, fine

Example: Though the spider's thread appears insubstantial, for its weight it is enormously strong.

Synonym of the Day:

Strong: Smelly, Odoriferous, Noisome, Stinking, Foul, Mephitic, Miasmic, Putrid, Putrescent, Rottenoverbearingly, Overenthusiastically, Offensively, Aggressiv . . . Strong Synonyms