Word.ws English Dictionary

unsubstantiable

unsubstantiable adjective: that cannot be substantiated.

Adjective

unsubstantiable (comparative more unsubstantiable, superlative most unsubstantiable)

  1. That cannot be substantiated.

Forms of unsubstantiable

comparativemore unsubstantiable
superlativemost unsubstantiable
alternative formunsubstantiatable

Questions about unsubstantiable

What does unsubstantiable mean?
Unsubstantiable means that cannot be substantiated.
What part of speech is unsubstantiable?
Unsubstantiable is an adjective.

Words near unsubstantiable in the dictionary

  1. unsubsiding
  2. unsubsidised
  3. unsubsidized
  4. unsubstanced
  5. unsubstant
  6. unsubstantiable
  7. unsubstantial
  8. unsubstantialise
  9. unsubstantialities
  10. unsubstantiality
  11. unsubstantialize

Source and license

Adapted from Wiktionary: unsubstantiable (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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