1. in a manner characterized by large numbers of people gathered closely together; in a crowded way
Usage: informal; less common than 'in a crowd' or 'crowded'

Examples

• The passengers stood crowdedly on the subway platform during rush hour.
• People gathered crowdedly around the stage to see the performer.
• The market was crowdedly packed with shoppers on Saturday morning.
• Tourists crowdedly filled the museum's main gallery.
• The beach was crowdedly occupied despite the early hour.