subside

to grow less in scope or intensity especially gradually as the noise of the siren subsided, I was able to fall back to sleep Synonyms 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, decrease, taper, taper off, waneRelated Words 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 appear, emerge, show up; blow up, distend, elongate, lengthenAntonyms accumulate, balloon, build, burgeon (also bourgeon), enlarge, escalate, expand, grow, increase, intensify, mount, mushroom, pick up, rise, snowball, soar, swell, wax