Abjure, Array, Arrest, Assimilate, Attack, Balance, Ban, Bar, Belie, Blackball, Block, Buck, Match, Meddle, Nullify, Object, Obstruct, Obviate, Offset, Parallel, Pit, Preclude, Prevent, Protest, Recant, Refute, Reject, Relate, Remonstrate, Renounce, Repel, Repress, Repudiate, Resist, Restrain, Restrict, Retard, Retract, Revoke, Revolt, Scotch, Secede, Slacken, Slow, Snub, Stand, Stop, Subtend, Suppress, Thwart, Traverse, Vie, Weigh, Withdraw, Challenge, Check, Clash, Collide, Combat, Compare, Complain, Conflict, Confront, Contend, Contest, Contradict, Contrast, Contravene, Controvert, Counter, Counteract, Counterattack, Counterbalance, Counterpoise, Cross, Curb, Damp, Dampen, Defy, Delay, Deny, Detain, Differ, Disagree, Disallow, Disapprove, Disavow, Disclaim, Disown, Disprove, Dispute, Dissent, Duel, Exclude, Face, Fight, Foil, Forswear, Front, Frustrate, Gainsay, Hinder, Impede, Impugn, Inhibit, Intercept, Interfere, Interrupt, Intervene, Liken, Withstand