spike

1 to penetrate or hold (something) with a pointed object scorpions use their stinger-equipped tails to spike their prey Synonyms gore, harpoon, jab, lance, peck, pick, pierce, pink, puncture, run through, skewer, spear, impale, spit, stab, stick, transfix, transpierceRelated Words spindle; perforate, riddle; bayonet, dirk, gimlet, pike, poniard, prong, quill; pinprick, poke, prick, punch, thrust; cut, knife, slice

2 to give life, vigor, or spirit to he spiked what otherwise would have been a dry economic lecture with some jokes and anecdotes Synonyms amp (up), brace, energize, enliven, fillip, fire, ginger (up), invigorate, jazz (up), juice up, jump-start, liven (up), pep (up), quicken, animate, stimulate, vitalize, vivify, zip (up)Related Words arouse, awake, awaken, raise, rouse, stir, wake (up); activate, actuate, drive, impel, motivate, motive, move, propel; charge, electrify, galvanize; enkindle, excite, ferment, foment, incite, inflame (also enflame), instigate, kindle, provoke, set off, spark, trigger, turn on, whip (up); abet, boost, buoy, cheer, embolden, fortify, hearten, infuse, inspire, lift, rally, steel, strengthen; reactivate, reanimate, reawake, reawaken, recharge, recreate, reenergize, refresh, refreshen, regenerate, reinvigorate, rejuvenate, rekindle, renew, restimulate, resurrect, resuscitate, revitalize, reviveNear Antonyms burn out, debilitate, do in, drain, enervate, enfeeble, exhaust, fag, fatigue, harass, kayo, knock out, sap, tucker (out), undermine, wash out, weaken, wear, wear out, weary; check, curb, inhibit, jade, quell, quench, repress, restrain, slow, still, stunt, suppress; daunt, demoralize, discourage, dishearten, dispiritAntonyms damp, dampen, deaden, dull, kill