unchallengeable

1. 1.

   not open to challenge

   “unchallengeable facts”

   “a position of unchallengeable supremacy”

   Similaruncontroversial

Questions about unchallengeable

What does unchallengeable mean?

unchallengeable means "not open to challenge".

How many syllables are in unchallengeable?

unchallengeable has 6 syllables and divides as un-chal-len-ge-a-ble under the regular spelling rules. It is not in the CMU Pronouncing Dictionary, so that comes from how the word is written rather than from a recorded pronunciation, and no stress or phonetic transcription is claimed for it.

Is unchallengeable a common word?

unchallengeable is banded "Rare" — specialist or archaic — most readers will not have met it. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.