To reduce the number of colors in an image, changing a continuous gradation of tone to several regions of fewer tones, with abrupt changes from one tone to another.

Third-person singular simple present indicative form of posterize

simple past tense and past participle of posterize

present participle of posterize

plural of posterization

The act or process of posterizing.

(dated) A posthorse. / (archaic) A swift traveller; a courier.

A picture of a celebrity, an event etc., intended to be attached to a wall. / An advertisement to be posted on a pole, wall etc. to advertise something. / (Internet) One who posts a message.

All the future generations, especially the descendants of a specific person.

(transitive) To decorate with posters.