Synonyms for unproven

Most common

unfounded · unsupported · unsubstantiated · unverified

All synonyms

Adjective

Antonyms

proven

All antonyms of unproven →

Definitions

1. adj. 1

   Not proved.

   Near-synonyms: unconfirmed; see also Thesaurus:baseless

Example sentences

• unfounded Do not spread unfounded slander against anyone.
• unsupported Tom's face detected an unsupported facial hair configuration.
• unsubstantiated Certainty, it was an unsubstantiated rumour.

Popularity over time

Use in printed books, per decade from 1850 to 2019.

By length

8 letters

unproved²

9 letters

unfounded³

10 letters

unverified⁴, groundless²

11 letters

unsupported⁴, unconfirmed³

15 letters

unsubstantiated⁶

The small number after each word is its number of syllables (unproved² = 2 syllables).