1. past tense and past participle of colourize; to add color to (a black-and-white film, photograph, or video) using digital or other techniques
Usage: chiefly British spelling; American English typically uses 'colorized'; commonly used in film and media contexts

Examples

• The studio colourised the classic 1940s film for modern audiences.
• They colourised old family photographs to preserve memories in vivid detail.
• The director decided to have the black-and-white footage colourised for the restoration project.
• Many vintage television episodes have been colourised and released on streaming platforms.
• The archivists carefully colourised the historical documentary using period-accurate color palettes.