1. (v. t.) To go before; to precede; hence, to go before as a guide; to direct.

2. (v. t.) To be beforehand with; to anticipate.

3. (v. t.) To intercept; to hinder; to frustrate; to stop; to thwart.

4. (v. i.) To come before the usual time.

abort anticipate arrest avert avoid baffle balk ban bar block check control curb dam debar deflect delay deny deter disallow discourage dishearten embargo enjoin estop exclude exclude from fend fend off foil forbid foreclose forestall frustrate hamper help hinder impede inhibit intercept interdict interrupt keep from keep off mitigate obstruct obviate outlaw preclude prohibit proscribe refuse reject repel repress restrain retard rule out save say no to shut out slow stave off suppress taboo thwart turn aside ward ward off