Verb

• S: (v) impair (make worse or less effective) "His vision was impaired"
• direct hypernym / inherited hypernym / sister term
• S: (v) damage (inflict damage upon) "The snow damaged the roof"; "She damaged the car when she hit the tree"
• direct troponym / full troponym
• direct hypernym / inherited hypernym / sister term
• S: (v) change, alter, modify (cause to change; make different; cause a transformation) "The advent of the automobile may have altered the growth pattern of the city"; "The discussion has changed my thinking about the issue"
• derivationally related form
• sentence frame
• derivationally related form
• sentence frame
• S: (v) mar, impair, spoil, deflower, vitiate (make imperfect) "nothing marred her beauty"

Adjective

• S: (adj) impaired (diminished in strength, quality, or utility) "impaired eyesight"
• S: (adj) afflicted, impaired (mentally or physically unfit)