Word
incontestible, adj.
incapable of being contested or disputed
<adj.all>
incontestable
incontestible
lexical pointers
antonym
contestable
semantic pointers
also see
unquestionable
similar to
demonstrable, incontrovertible
demonstrated
inarguable, unarguable
unassailable, unshakable, watertight, bulletproof
unanswerable