1. the occurrence of a change for the worse

Similar word(s): damage, harm

Definition categories: event, alteration, change, modification

2. a symptom of reduced quality or strength

Similar word(s): deterioration

Definition categories: state, decay

3. the condition of being unable to perform as a consequence of physical or mental unfitness

- hearing impairment

Similar word(s): disability, disablement, handicap

Definition categories: state, softness, unfitness

4. damage that results in a reduction of strength or quality

Definition categories: act, damage, harm, hurt, scathe

5. the act of making something futile and useless (as by routine)

Similar word(s): constipation, deadening, stultification

Definition categories: act, debasement, degradation