BACK v.
sel against the wind. Hence: (Fig.) To take opposite positions alternately; to assert and deny. [Colloq.] -- To back out, To back down, to retreat or withdraw from a promise, engagement, or contest; to recede. [Colloq.] Cleon at first . . . was willing to go; but, finding that he [Nicias] was in earnest, he tried to ba…