Rarefy is defined as to become less thin or less dense, or to make or become more refined.
To make or become weak or weaker
To dilute by adding water to
To weaken by wearing away a base or foundation:
Shrink is defined as to become less, reduce or make smaller.
(Archaic) To belittle; minimize; disparage
(Music) To reduce (a perfect or minor interval) by a semitone.
To thin down or weaken as by mixing with water or other liquid
To become or cause to become less or smaller, as in number, amount, or intensity.
To lessen the strength of; dilute:
Unnerve is defined as to cause fear or loss of confidence.
(Obs.) To interpret; explain
To undermine the foundations of (a fortification).
To deprive of strength; make feeble.
To weaken or destroy the strength or vitality of:
Increase is defined as to become bigger or greater.
To increase the contrast of (a photographic image).
(Intransitive) To grow strong or stronger.
The definition of tighten is to make something more fixed in place, more constricted, or more snug.
Find another word for attenuates. In this page you can discover 24 synonyms, antonyms, idiomatic expressions, and related words for attenuates, like: rarifies, weakens, waters, undermines, thins, shrinks, reduces, lessens, diminishes, dilutes and decreases.