To reduce is to make something smaller or to become or feel smaller, or forcing someone into a less desirable position.
So as to be thin:
To weigh down with or as with a heavy load; burden; oppress
To make or become weak or weaker.
To dilute by adding water to
(Archaic) To belittle; minimize; disparage
(Music) To reduce (a perfect or minor interval) by a semitone.
The definition of alter means to make something different without completely changing it.
(Intransitive) To grow strong or stronger.
To collect or focus (one's thoughts, efforts, etc.)
To strengthen; to confirm.
Find another word for diluting. In this page you can discover 15 synonyms, antonyms, idiomatic expressions, and related words for diluting, like: cutting, reducing, thinning, debasing, stretching, adulterating, loading, weakening, watering, lessening and diminishing.