Here's what rhymes with disingenuous.

Consider these alternatives

hypocritical / critical shortsighted / decided insincere / will illogical / logical counterproductive / productive simplistic / characteristic irresponsible / responsible specious / pieces misguided / decided misleading / leading wrongheaded / longheaded glib / it overblown / known pathetic / magnetic dismissive / wishes implausible / plausible naive / leave untrue / you patronizing / rising idiotic / logic unpatriotic / logic unwise / size counterintuitive / intuitive derided / decided baloney / testimony impolite / right