DictionarydegradeDecline in quality
verb

degrade

dih-GRAYD/dɪˈɡreɪd/

To make or become worse in quality or condition.

Industrial discharge degrades the stream, turning clear water murky and damaging its plants.

An industrial outflow degrades a clear stream: transparent water over clean stones becomes murky brown downstream of the discharge, with submerged plants visibly deteriorating.
Etymology

The pieces suggest stepping down: degrading people originally meant stripping them of office or lowering their rank. This became a broader term for lowering dignity, character, or quality.

In context

Allellu312:05
To introduce a Masonic ritual into a manly institution is to degrade it to a frivolous amusement for great children.
Proofs of a Conspiracy [Part 1 of 2] by John Robison | Full Audiobook, Read-Along

More examples

  • The fabric degrades over time, even with careful storage.
  • Repeated copying can degrade the quality of an image.
  • Years of pollution have degraded the river's water quality.

Forms

degrade · degrades · degraded · degrading

degradation noun — A decline in quality or condition.

Similar words

deteriorate
Usually describes becoming worse rather than causing something to worsen.
impair
Emphasizes reducing function or effectiveness rather than overall quality.
damage
Suggests specific harm, not necessarily a gradual decline.