Meaning of the word unchallengeable in English

What does unchallengeable mean in English? Explore the meaning, pronunciation, and specific usage of this word with Lingoland.

unchallengeable

US /ˌʌnˈtʃæl.ɪn.dʒə.bəl/
UK /ˌʌnˈtʃæl.ɪn.dʒə.bəl/
"unchallengeable" picture

Adjective

1.

not able to be disputed or questioned

Example:
His authority was unchallengeable.
The evidence presented was unchallengeable.
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