1. more stylish, fashionable, or smart in appearance
Usage: informal
2. more quick-tempered or irritable
Usage: informal
3. more lively, energetic, or brisk
Usage: informal

Examples

• His new suit makes him look much snappier than before.
• The redesigned website has a snappier, more modern appearance.
• She’s been snappier with her coworkers since the deadline approached.
• The coach demanded snappier movements during practice.
• The presentation needs a snappier pace to keep the audience engaged.
• He’s looking snappier these days with his new haircut and clothes.