specious argument

English Thesaurus

1. an argument that appears good at first view but is really fallacious (noun.communication)

hypernym	:	argument, statement,
definition	:	a fact or assertion offered as evidence that something is true (noun.communication)

hyponym	:	vicious circle,
definition	:	an argument that assumes that which is to be proved (noun.communication)

hyponym	:	straw man, strawman,
definition	:	a weak or sham argument set up to be easily refuted (noun.communication)

hyponym	:	special pleading,
definition	:	an argument that ignores all unfavorable evidence (noun.communication)