1. small trees, bushes, and other plants growing beneath the main canopy of a forest

Examples

• The hikers had to push through thick underbrush to reach the clearing.
• Deer often hide in the underbrush during the day.
• The forest fire spread quickly through the dry underbrush.
• We cleared the underbrush to make a path through the woods.
• Small animals scurried through the dense underbrush.
• The underbrush was so thick we could barely see five feet ahead.