taper

to grow less in scope or intensity especially gradually you'll find the symptoms begin tapering gradually about 24 hours after you take the medicine Synonyms of taper abate, decline, de-escalate, die (away or down or out), diminish, drain (away), drop (off), dwindle, ease, ebb, fall, fall away, lessen, let up, lower, moderate, pall, phase down, ratchet (down) also rachet (down), recede, relent, remit, shrink, subside, decrease, taper off, waneWords Related to taper compress, condense, constrict, contract; evaporate, fade (away), fritter (away), give out, melt (away), peter (out), tail (off), vanish; slacken, slow (down); alleviate, relax; flag, sink, weaken; cave (in), collapse, deflateNear Antonyms of taper appear, emerge, show up; blow up, distend, elongate, lengthenAntonyms of taper accumulate, balloon, build, burgeon (also bourgeon), enlarge, escalate, expand, grow, increase, intensify, mount, mushroom, pick up, rise, snowball, soar, swell, wax