Customize/ˈkʌstəmaɪz/ Definition 1 of 3Pro Tip 1/3Personal Touch Use 'customize' when adding individual preferences to general items. She customized her dress with hand-stitched designs. Pro Tip 2/3Beyond Aesthetics 'Customize' encompasses both visual changes and functional enhancements. He customized his bike for better performance. Pro Tip 3/3Uniqueness Emphasized 'Customize' often implies a unique or one-of-a-kind result. Customized jewelry often carries a personal story.