Rechercher
Unchallengeable
/ʌntʃˈælɪndʒəbəl/
/ʌntʃˈælɪndʒəbəl/
unchallengeable
01
incontestable, irréfutable
(of a belief, idea, etc.) impossible to oppose or argue with
unchallengeable
adj
challengeable
adj
challenge
n
Rechercher
incontestable, irréfutable
unchallengeable
challengeable
challenge