Difference between Diminish and Impair

DIMINISH vs IMPAIR: NOUN

To lessen the authority or dignity of; to put down; to degrade; to abase; to weaken.
To make smaller by a half step; to make (an interval) less than minor.
To take away; to subtract.
One whose upper diameter is less than the lower.
A scale of gradation used in finding the different points for drawing the spiral curve of the volute.
A board cut with a concave edge, for fixing the entasis and curvature of a shaft.
A stile which is narrower in one part than in another, as in many glazed doors.
To make smaller in any manner; to reduce in bulk or amount; to lessen; -- opposed to augment or increase.

To make worse; to diminish in quantity, value, excellence, or strength; to deteriorate.
To grow worse; to deteriorate.
To cause to weaken, be damaged, or diminish, as in quality.

Synonyms Dwindle, Contract, etc. (see decrease); to shrink, subside, abate, ebb, fall off.
To lessen; become or appear less or smaller; dwindle: as, the prospect of success is diminishing by delay.
In music, to lessen by a semitone, as an interval.
To take away; subtract: with from, and applied to the object removed.
To lower in power, importance, or estimation; degrade; belittle; detract from.
To lessen; make or seem to make less or smaller by any means; reduce: opposed to increase and augment: as, to diminish a number by subtraction; to diminish the revenue by reducing the customs.
To taper, as a column.

To make worse; diminish in quantity, value, excellence, strength, or any other desirable quality; deteriorate; weaken; enfeeble: as, to impair the health or character; to impair one's fortune.
Synonyms To lessen, decrease, reduce, injure.
To become worse; be lessened or enfeebled; deteriorate.
Unequal; unworthy; unjust.
Not one of a pair; odd; unmatched.

Wane, Impair, Hamper, Undercut, Hinder, Detract, Dampen, Dilute, Undermine, Weaken, Erode, Fall, Decrease, Belittle, Lessen

Interfere, Undermine, Diminish, Imperil, Jeopardize, Affect, Endanger, Hamper, Inhibit, Hinder, Impede, Deflower, Spoil, Vitiate, Mar

Impede, Impair, Hamper, Undercut, Hinder, Detract, Dampen, Dilute, Undermine, Weaken, Erode, Fall, Decrease, Belittle, Lessen

Impinge, Undermine, Diminish, Imperil, Jeopardize, Affect, Endanger, Hamper, Inhibit, Hinder, Impede, Deflower, Spoil, Vitiate, Mar

UK domestic law or diminish rights of individuals.
It is to obey body and diminish spirit.
To diminish or destruct in a slow fashion.
We expect this concentration to diminish over time.
As all the time speeds can diminish depending.
To diminish that, change your cabin air filter.
Over time, this source of moisture will diminish.
You love them and these outward appearances do NOT diminish your child and they do NOT diminish your love or commitment for your child!
Passage of time may diminish complicity with prior evil acts, though it does not diminish the evil nature of the original act.
They do not diminish the obligations of any employer or diminish workplace safety.

Psychosocial factors impair vascular responses of coronary arteries.
ROS and impair oxidative phosphorylation in rat cardiomyocytes.
Abnormal or excessive fat accumulation can impair health.
Will the paid modules impair open source collaboration?
Binge drinking can also impair the immune system.
Moth and rust can not impair the treasure.
Too much vitamin A can impair fetal development.
THE DRUGS THAT CAN IMPAIR DRIVINGA large enough dose of most drugs can impair.
Carbohydrate concentrations above this can impair gastric emptying and lead to gut upset during exercise and impair performance.
Accept gratuities, gifts or favors that might impair or appear to impair professionaljudgment.