drain

1 to remove (liquid) gradually or completely we drained the water from the tank before cleaning it Synonyms bleed, draft, draw (off), pump, siphon (also syphon), tap Related Words milk; suck; clear, empty, evacuate, exhaust, vacate, vacuate, void; decant, effuse; deplete; clean, flush, purge Near Antonyms bathe, douse (also dowse), drench, soak, souse, wash, water, wet; deluge, drown, flood, inundate, overflow; submerge, swamp Antonyms fill

2 to make complete use of virtually drained the country's natural resources Synonyms absorb, burn, consume, devour, deplete, draw down, exhaust, expend, play out, spend, use upRelated Words abate, decrease, de-escalate, diminish, downsize, dwindle, lessen, lower, reduce; eat, use; bankrupt, clean (out), impoverish; cripple, debilitate, disable, enfeeble, sap, undermine, weaken; dry up, empty; blow, dissipate, fritter (away), guzzle, lavish, misspend, run through, squander, throw away, wasteNear Antonyms augment, enlarge, increase; bolster, enforce, fortify, reinforce (also reenforce), strengthen; rebuild, repair, restore, revive; conserve, preserve, saveAntonyms renew, replace

3 to use up all the physical energy of the long hike drained us Synonyms break, burn out, bust, do in, do up, exhaust, fag, fatigue, frazzle, harass, kill, knock out, outwear, tire, tucker (out), wash out, wear, wear out, wearyRelated Words debilitate, enervate, enfeeble, sap, waste, weakenNear Antonyms activate, energize, invigorate, rejuvenate, strengthen, vitalize; relax, rest, unwind