beef up, escalate, fortify, intensify, step up, strengthen

erode, undermine, strengthen, depress, diminish, worsen, undercut, constrain, destabilize, cripple, complicate, intensify, hinder, deteriorate, hamper, exacerbate, embolden, dilute, harden, marginalize, dampen, bolster, threaten, aggravate, soften, destroy, entrench, endanger, imperil, impair, derail, slacken, disrupt, constrict, decimate, debilitate, disintegrate, tarnish, devastate, unsettle, jeopardize, deplete, stymie, impede, scuttle, curtail, heighten, devalue, distort, solidify, stifle, dissipate, devaluate, fortify, deepen, stabilize, backfire, restrengthen, reinforce, deflate, inhibit, stiffen, shrink, affect, inflame, prolong, wane, improve, enfeeble, precipitate, scupper, steepen, paralyze, emasculate, flatten, negate, persist, crumble, lessen, enhance, vitiate, polarize, degrade, preempt, alter, normalize, accelerate, hurt, crimp, roil, tighten, unpeg, attenuate, frustrate, galvanize, escalate, embitter, corrode, stoke, loosen, falter, eviscerate

blunt, blur, break, collapse, cut, de-energize, deafen, devitalise, devitalize, die down, dim, drain, dull, enervate, etiolate, fade, fade out, languish, neutralize, nullify, pall, pine away, rarefy, reduce, relax, season, shake, slack, slow, slow down, slow up, slur, subside, temper, thin, thin out, unbrace, wash out, waste, wilt

american mistletoe, attenuate, attrition, break, enervate, grigori efimovich rasputin, phoradendron flavescens, phoradendron serotinum, rarefy, rasputin

deaden, decrease, disobey, minify

counteract, countermine, damp, de-escalate, sabotage, step down, subvert