burnish
1 antonym for burnish — opposites grouped by meaning.
Verb — To rub a surface until it is smooth and shiny.
Antonyms
Etymology
The verb derives from Middle English burnishen, burnysshen ("to polish, burnish; (figuratively) to brighten, give lustre to; to clean (something) until shiny; to decorate (with something shiny), adorn") and other forms, from burniss-, a stem of Old French burnir (compare, for example, the first-person present singular...
Full origin of burnish →