inconvincible
I
adjective
cynical, disbelieving, disposed to doubt, distrustful, doubtful doubting, dubious, given to suspicion, hard to convince, inclined to suspect, incredulous, indisposed to believe, questioning, skeptical, slow to believe, suspecting, suspicious, unbelieving, uncertain, unwilling to accept, wary, without faith
II
index
cynical, doubtful, suspicious (distrustful)
Burton's Legal Thesaurus.
William C. Burton.
2006