SYN: Rest, abide, halt, {[awnit]?}, flag, lag, continue, remain, sojourn, delay, stop, stay, loiter, linger.
ANT: Press, push, speed, haste, proceed.
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KEY: Tart.
SYN: Sharp, acid, sour, acidulous, keen, pungent, {[acerbous]?}, severe, acrimonious, biting, bitter, harsh, rude, irascible.
ANT: Mellow, sweet, luscious, mild, genial, suave, kindly, unctuous, oily, smooth, bland, blandiloquent, courteous, deferential, polite, ceremonious.
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KEY: Tartness.
SYN: Sourness, sharpness, harshness, bitterness, asperity, acrimony, acerbity.
ANT: Sweetness, gentleness, kindness.