POSTERIZE is validvalid

to reduce the number of colors needed to reproduce an image [v POSTERIZED, POSTERIZES, POSTERIZING]

109,587 of 196,601 in NWL2023·also valid in CSW24

(US and Canadian slang) to humiliate (a sporting opponent) by performing a dramatic feat against them, also POSTERISE [v POSTERIZED, POSTERIZING, POSTERIZES]