head off

to keep from happening by taking action in advance if we act quickly, we may still be able to head off disaster Synonyms avert, forestall, prevent, help, obviate, preclude, stave offRelated Words anticipate, provide; negate, neutralize, nullify; save; baffle, balk, checkmate, deter, foil, frustrate, thwart; bar, block, hamper, hinder, impede, interfere (with), retard, stall; deflect, fend (off), stop, ward (off); avoid, circumvent, dodge, duck, elude, escape, eschew, evade, shake, shirk, shun; forbid, inhibit, prohibit; arrest, check, halt, stop; compensate (for), counteract, counterbalance, make up (for), offsetNear Antonyms abet, aid, assist; ease, facilitate, smooth, unclog; advance, cultivate, encourage, forward, foster, further, nurture, promote; allow, leave, let, permit