1. free from litter; not producing or containing scattered waste or debris
Usage: often used in environmental or sustainability contexts

Examples

• The city launched a litterless initiative to encourage residents to reduce waste.
• We packed litterless lunches using reusable containers instead of disposable packaging.
• The park remained litterless thanks to volunteers who cleaned it weekly.
• Many schools are adopting litterless cafeteria programs to promote sustainability.
• The beach cleanup resulted in a litterless shoreline for the first time in years.