EN

Synonyms for indubitable

  • adjective

Most common

indisputable irrefutable unquestionable incontestable apparent undeniable undoubted incontrovertible

All synonyms

Adjective

unquestionable, indisputable, incontestable, irrefutable, incontrovertible, undoubted, undeniable, apparent, unequivocal, certain, evident, prima facie, positive, immediate, manifest, hard, irrefragable, unmistakable, unanswerable, undoubtable rare, inoppugnable rare

Antonyms

obscure, dubitable

All antonyms of indubitable →

Definitions

  1. adj. 1

    Clearly true; providing no possibility of doubt.

    The indubitable effect of the potion convinced many nonbelievers.

Example sentences

  • indisputable There is indisputable proof that Tom is the thief.
  • irrefutable There was also an irrefutable sadness in his eyes.
  • unquestionable For me, he was an unquestionable authority.
  • apparent The company turned him down for no apparent reason.
  • undeniable The extremist convictions of the Taliban are undeniable.

Popularity over time

Word1850 → 2019Trend
indubitablesteady
indisputablesteady
irrefutablesteady
unquestionablesteady
incontestablefalling
apparentfalling

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

By length

4 letters
hard1
7 letters
certain2, evident3
8 letters
positive3, apparent3, manifest3
9 letters
immediate4, undoubted3
10 letters
undeniable5
11 letters
unequivocal5, irrefutable5, undoubtable
12 letters
unmistakable5, indisputable5, unanswerable5, irrefragable, inoppugnable
13 letters
incontestable
14 letters
unquestionable5

The small number after each word is its number of syllables (certain2 = 2 syllables).

In other languages

Français
indubitable
Italiano
indubitabile
Deutsch
unbestreitbar
Català
indubtable