1. to increase rapidly in number or amount; to multiply quickly
2. to grow or reproduce by rapidly producing new parts, cells, or offspring
Usage: biological

Examples

• Fast food restaurants have proliferated throughout the city.
• Social media platforms proliferated in the early 2000s.
• Cancer cells proliferate uncontrollably in the body.
• Rumors about the scandal began to proliferate online.
• The bacteria proliferate rapidly in warm conditions.
• Chain stores proliferated in suburban areas during the 1990s.
• Weeds proliferate quickly in untended gardens.