gainsay
Cross references: 1. deny gain.say \ga-n-'sa-\ \-'sa-d, -'sed\ vt or gain.said; or gain.say.ing [ME gainsayen, fr. gain- against (fr. OE ge-an-) + saye]n to say - more at AGAIN 1: DENY, DISPUTE 2: to speak against : CONTRADICT - gain.say.er n