Word.ws English Dictionary

insubstantiable

insubstantiable adjective: unable to be substantiated.

Adjective

insubstantiable (comparative more insubstantiable, superlative most insubstantiable)

  1. Unable to be substantiated.

Forms of insubstantiable

comparativemore insubstantiable
superlativemost insubstantiable

Origin of insubstantiable

From in- + substantiable.

Questions about insubstantiable

What does insubstantiable mean?
Insubstantiable means unable to be substantiated.
What part of speech is insubstantiable?
Insubstantiable is an adjective.

Words near insubstantiable in the dictionary

  1. insubordination
  2. insubordinations
  3. Insubres
  4. Insubria
  5. Insubrian
  6. insubstantiable
  7. insubstantial
  8. insubstantialities
  9. insubstantiality
  10. insubstantially
  11. insubstantiated

Source and license

Adapted from Wiktionary: insubstantiable (page history and authors). Text available under the Creative Commons Attribution-ShareAlike 4.0 license. Word.ws reformatted the entry and added links. Wiktionary data of 2026-09-02.

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