1. lacking enthusiasm, energy, or excitement; dull or lifeless

Examples

• After working long hours for months, she felt zestless and unmotivated.
• The team’s zestless performance disappointed their fans.
• His zestless approach to the project showed he had lost interest.
• The presentation was zestless and failed to engage the audience.
• She gave a zestless smile and went through the motions.
• The once-vibrant artist had become zestless after years of rejection.