Synonyms of drain in English:

drain


See definition of drain

verb

1‘there is a valve for draining the tank’

SYNONYMS
empty, empty out, remove the contents of, void, clear, clear out, unload, evacuate
ANTONYMS

fill

2‘then drain any surplus liquid’

SYNONYMS
draw off, extract, withdraw, remove, pump off, siphon off, milk, bleed, tap, void, filter, pour out, pour off, tip, discharge, transfer

3‘the water drained away to the sea’

SYNONYMS
flow, pour, escape, leak, trickle, empty, well, ooze, seep, exude, drip, dribble, issue, filter, percolate, bleed, sweat, leach
stream, run, rush, gush, roll, cascade, flood, surge, sweep

4‘jailing more people would just drain resources’

SYNONYMS
use up, exhaust, deplete, consume, expend, swallow up, absorb, get through, go through, run through, take up, occupy, empty, sap, strain, tax, bleed

5‘he drained what was left in his glass’

SYNONYMS
drink, drink down, drink up, gulp, gulp down, guzzle, quaff, down, imbibe, sup, slurp, suck, sip, swallow, finish off, polish off
informal sink, swig, swill, swill down, toss off, slug, knock back, put away, kill, get one's laughing gear round
British informal neck
North American informal scarf, scarf down, scarf up, snarf, snarf down, snarf up, chug
rare ingurgitate

noun

1‘a flash storm filled the drain with water’

SYNONYMS
sewer, channel, conduit, ditch, culvert, duct, pipe, tube, gutter, groove, furrow, trough, trench, cut, sluice, spillway, race, flume, chute

2‘a significant drain on the camcorder's battery’

SYNONYMS
strain, demand, pressure, burden, load, imposition, tax
outflow, sapping, depletion