WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. incontestable (vs. contestable), incontestible, demonstrable, incontrovertible, demonstrated, inarguable, unarguable, unassailable, unshakable, watertight, bulletproof, unanswerable, unquestionable
- usage: incapable of being contested or disputed
- 2. incontestable, indisputable, undisputable, undeniable (vs. deniable)
- usage: not open to question; obviously true; "undeniable guilt"; "indisputable evidence of a witness"
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See also: incontestable (Dictionary)