accost, animosity, animus, antagonistic, antipathy, backlash, beleaguer, belligerent, browbeat, combative, dishonor, foil, hector, hooligan, hostile, implacable, inimical, insular, intimidate, intransigent, intrude, malevolent, menace, opponent, opposed, persecute, recalcitrant, ruthless, sinister, truculent, unfriendly, virulent