- un|chal|lenge|a|bly
- un|chal|lenge|a|bly «uhn CHAL uhn juh blee», adverb.in an unchallengeable way; securely; indisputably: »
Our freedom must be buttressed by a homogeny equally and unchallengeably free (William Faulkner).
Useful english dictionary. 2012.