WordNet 3.0 Copyright © 2006 by Princeton University.
- 1. questionable (vs. unquestionable), alleged(prenominal), so-called, supposed, apocryphal, debatable, problematic, problematical, doubtful, dubious, dubitable, in question(predicate), equivocal, fishy, funny, shady, suspect, suspicious, impugnable, self-styled, soi-disant, contestable
- usage: subject to question; "questionable motives"; "a questionable reputation"; "a fire of questionable origin"
- 2. questionable, refutable, confutable, confutative, deniable (vs. undeniable)
- usage: able to be refuted
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See also: questionable (Dictionary)