(Music) To reduce (a perfect or a minor interval) by a half step
To destroy the strength, firmness, or consistency of.
To provide assistance, support, or relief to:
To overindulge so as to cause to demand or expect too much
To cause damage to; impair:
To cause physical damage to (something); harm:
Undermine is defined as to dig beneath, weaken or injure.
The definition of afflict is to cause great physical or mental pain or agony or to create for someone a curse to bear.
Blemish means to spoil the perfection of something.
To make (a quantity) smaller.
To lower or remove the value of something.
The definition of harm is to hurt or damage something.
To hinder is defined as to restrain or hold something back.
To bar or hinder the progress of; obstruct or delay
To become less; decrease:
To impair the soundness, perfection, or integrity of; spoil.
To gain control of; subject or conquer:
To spoil the soundness or perfection of
To treat badly; harm.
(Intransitive) To become imperfect or defective.
To fill with prejudice or cause to judge with prejudice.
To become less enjoyable or estimable:
To surpass or exceed:
To contribute to the effectiveness or improvement of (something); improve or advance:
To remove flowers from (a plant)
To improve the quality or condition of
To raise to a more desirable or more excellent quality or condition; make better:
(Sports) To make a pass that leads directly towards scoring.
Find another word for impair. In this page you can discover 41 synonyms, antonyms, idiomatic expressions, and related words for impair, like: damage, diminish, destroy, weaken, break, aid, spoil, injure, hurt, undermine and afflict.