Synonyms of diminish

1 Syllable
wane, wilt, drain, bant, cut, lag, shrunk, shrank, wans, droop, ebb, shrink
2 Syllables
weaken, soften, peter, decry, decried, dwarfed, idled, softens, contract, whiting, reefing, dwindling, wilting, shrivel, wanning, slackens, whited, thinned, lessens, curtails, whittled, stunting, close, drooped, taper, lower, impairs, thinning, deduct, ebbing, banting, disbars, ebbed, benching, lulling, slacking, whittle, subtract, decrying, temper, slowed, curtail, paling, unlax, tapers, detract, dwindle, poor-mouth, benched, disbar, inched, impair, dulling, whittling, retrench, restrict, slowing, lessen, demark, lulled, wilted, weakens, lagged, dwindled, peters, decries, slacken, slacked
3 Syllables
abase, minify, subtracted, underplaying, mollify, abridging, curtailing, deflating, relieving, rarefying, detracted, dispraising, dilute, subtracting, inclosing, defused, mollifying, receded, downsizing, enfeebled, disbarred, subsiding, abating, detracting, deducting, abated, mollifies, mollified, weakening, reduce, deducted, decreased, bankrupting, defuse, downsized, rebated, decrease, rarefy, recede, curtailed, lessened, minified, depleting, deflate, appeasing, impairing, restricting, inclose, bankrupted, abasing, undersell, receding, decreasing, narrowed, respited, slackened, featherbed, diluting, underplay, subsided, degrade, decline, minifying, softened, respiting, palliate, abased, tapered, appeased, deplete, enfeeble, inclosed, abridged, undersold, dispraise, back-water, defusing, abridge, enfeebling, petering, rarefies, underplayed, rebating, belittling, discounted, downsize, belittled, subside, abate
4 Syllables
depreciated, demonized, tenderizing, extenuated, extenuate, deescalate, minimized, attenuate, emaciating, featherbedding, moderate, abbreviate, etiolate, tenderize, moderated, etiolated, moderating, minimize, minimizing, devaluated, retrocede, demonizing, depreciating, underselling, demonize, devaluate, emaciate, depreciate
5 Syllables
catheterize, devalorize, destabilize, destabilized, marginalize, miniaturize, miniaturizing, destabilizing, de-escalate