deflate

shrink, contract, collapse, flatten

compress, condense, constrict

shrivel, wilt, wither

dry up, mummify, wizen

drip, leak, seep, trickle, ooze

abate, decrease, diminish, dwindle, lessen

recede, retreat, withdraw

drain, empty

collapse, flatten

clear, evacuate, exhaust, vacate, vacuate, void

bleed, draft, draw (off), pump, siphon (also syphon), tap

milk

suck

decant, effuse

deplete

clean, flush, purge

bore, drill, hole, perforate, pierce, punch, puncture, riddle

broach

poke, prick, prickle

penetrate

burrow (into), excavate, gouge, groove, hollow

break, cut, gash, notch, rend, rupture, slash, slit, split

compress, condense, constrict, contract, shrink

capsule, capsulize, compact, constringe, narrow (down), squeeze, telescope

crash, crater, decline, descend, dip, dive, drop, fall, lower, nose-dive, plummet, plunge, sink, skid, tumble

attenuate, break, cheapen, depreciate, depress, devaluate, devalue, downgrade, mark down, reduce, write down, write off

abate, decrease, de-escalate, die (down), diminish, droop, dwindle, ebb, lessen, let up, moderate, subside, taper off, wane

recede, retreat

debase, demonetize

underestimate, underprice, underrate, undervalue

throw cold water on

debilitate, enfeeble, undermine, weaken

damp, dampen, deaden

chill, daunt, demoralize, discourage, dishearten, dismay, dispirit, frustrate, unman, unnerve

browbeat, bully, cow, intimidate

depress, sadden, weigh

afflict, try

distress, trouble

bother, irk, vex, worry

frighten, horrify, scare