downgrade

1 antonym for downgrade — opposites grouped by meaning.

Noun — A lowering of an official rating, such as a firm's credit rating.

Synonyms by Meaning

A lowering of an official rating, such as a firm's credit rating.

Opposites

upgrade

A move to a worse or lower standard than before.

worsening deterioration degradation

upgrade

Formed from down- and grade.

upgrade degradation deterioration worsening