EnglishMain Dictionary
downgrade
Universal Words
verb [VN]
1 ~ sb/sth (from sth) (to sth) to move sb/sth down to a lower rank or level:
She's been downgraded from principal to vice-principal.
2 to make sth/sb seem less important or valuable than it/they really are
compareUPGRADE
downgrading noun [U,C]:
a downgrading of diplomatic relations