Search Result for "unchallengeable": 
Wordnet 3.0

ADJECTIVE (1)

1. not open to challenge;
- Example: "unchallengeable facts"
- Example: "a position of unchallengeable supremacy"



The Collaborative International Dictionary of English v.0.48:

Unchallengeable \Unchallengeable\
   See challengeable.


WordNet (r) 3.0 (2006):

unchallengeable
    adj 1: not open to challenge; "unchallengeable facts"; "a
           position of unchallengeable supremacy"


Moby Thesaurus II by Grady Ward, 1.0:

22 Moby Thesaurus words for "unchallengeable":
   deep-seated, esoteric, immanent, implanted, implicit, inalienable,
   indwelling, infixed, ingrained, inherent, inner, internal,
   intrinsic, inward, inwrought, irreducible, private, resident,
   secret, subjective, unalienable, unquestionable