Synonyms: confutable, confutative, questionable, refutable
Definition: able to be refuted
Similar words: deniable
Definition: capable of being denied or contradicted
Synonyms: questionable
Definition: subject to question
Usage: questionable motives; a questionable reputation; a fire of questionable origin
Similar words: supposed, so-called, alleged
Definition: doubtful or suspect
Usage: these so-called experts are no help
Similar words: apocryphal
Definition: being of questionable authenticity
Similar words: problematic, problematical, debatable
Definition: open to doubt or debate
Usage: If you ever get married, which seems to be extremely problematic
Similar words: doubtful, dubious, dubitable, in question
Definition: open to doubt or suspicion
Usage: the candidate's doubtful past; he has a dubious record indeed; what one found uncertain the other found dubious or downright false; it was more than dubitable whether the friend was as influential as she thought- Karen Horney
Similar words: equivocal
Definition: open to question
Usage: aliens of equivocal loyalty; his conscience reproached him with the equivocal character of the union into which he had forced his son-Anna Jameson
Similar words: fishy, funny, shady, suspect, suspicious
Definition: not as expected
Usage: there was something fishy about the accident; up to some funny business; some definitely queer goings-on; a shady deal; her motives were suspect; suspicious behavior
Similar words: impugnable
Definition: subject to being discredited
Similar words: self-styled, soi-disant
Definition: as claimed by and for yourself often without justification
Usage: the self-styled `doctor' has no degree of any kind