overwhelm
over.whelm \-'hwelm, -'welm\ \-'hwel-min-le-, -'wel-\ vt [ME overwhelmen, fr. 1over + whelmen to turn over, cove]r up 1: OVERTHROW, UPSET 2a: to cover over completely : SUBMERGE 2b: to overcome by superior force or numbers : CRUSH - over.whelm.ing.ly av