1. (noun)damage, harm, impairment the occurrence of a change for the worse Synonyms: equipment casualty, hurt, scathe, terms, price, legal injury, injury, disability, handicap, constipation, damage, wrong, harm, deadening, deterioration, disablement, impairment, trauma, stultification
2. (noun)deterioration, impairment a symptom of reduced quality or strength Synonyms: constipation, stultification, worsening, harm, disablement, disability, declension, handicap, impairment, deadening, damage, deterioration, decline in quality
3. (noun)disability, disablement, handicap, impairment the condition of being unable to perform as a consequence of physical or mental unfitness Synonyms: impediment, constipation, baulk, deterrent, disability, handicap, balk, check, harm, deadening, deterioration, damage, hinderance, hindrance, disablement, impairment, stultification
4. (noun)impairment damage that results in a reduction of strength or quality Synonyms: constipation, stultification, harm, disability, deadening, handicap, damage, deterioration, disablement
5. (noun)stultification, constipation, impairment, deadening the act of making something futile and useless (as by routine) Synonyms: constipation, harm, stultification, deadening, disablement, irregularity, handicap, impairment, damage, befooling, disability, deterioration
Synonyms, Thesaurus & Antonyms of 'Impairment'
English Synonyms and Antonyms
1. Impairment Injury (L. in, not, and jus, juris, right, law) signifies primarily something done contrary to law or right; hence, something contrary to some standard of right or good; whatever reduces the va Synonyms: injury, blemish, disadvantage, hurt, loss, prejudice, damage, evil, impairment, mischief, wrong, detriment, harm, injustice, outrage Antonyms: advantage, benefit, boon, improvement, service, amelioration, blessing, help, remedy, utility
Synonyms for Impairment 
