1. Of an organism's environment; least favourable for survival
   - pessimum

See also: worst

• source code
• source language
• source materials
• source of illumination
• source program
• sourdine
• sourdough
• sourdough bread
• soured
• soured cream
• souring
• sourish
• sourly
• sourness
• sourpuss
• soursop
• soursop tree
• sourwood
• sous-chef
• Sousa
• sousaphone
• souse
• soused
• sousing
• souslik