List of impair synonyms and impair related words.
abate, abrade, abstract, abuse, afflict, aggravate, aggrieve, bate, befoul, bewitch, blemish, blight, condemn, corrupt, cripple, crucify, curse, curtail, damage, decrease, deduct, defile, deprave, depreciate, derogate, despoil, destroy, deteriorate, detract, dilapidate, diminish, disadvantage, disparage, disserve, distress, do a mischief, do evil, do ill, do wrong, do wrong by, doom, drain, eat away, embitter, endamage, envenom, erode, exacerbate, extract, file away, get into trouble, harass, harm, hex, hurt, infect, injure, irritate, jinx, leach, lessen, make worse, maltreat, mar, menace, mistreat, molest, outrage, persecute, play havoc with, play hob with, poison, pollute, prejudice, purify, put back, reduce, refine, remove, retrench, rub away, ruin, sap, savage, scathe, shorten, spoil, subduct, subtract, taint, take away, take from, tarnish, thin, thin out, threaten, torment, torture, undermine, violate, vitiate, weaken, wear away, weed, withdraw, worsen, wound, wreak havoc on, wrong