1. a Protestant church with an exceptionally large congregation, typically having more than 2,000 weekly attendees and often featuring modern facilities and multimedia presentations
Usage: contemporary; primarily North American

Examples

• The megachurch in the suburbs attracts thousands of worshippers every Sunday.
• Many megachurches use large screens and professional sound systems during services.
• The pastor of the megachurch is known for his televised sermons.
• Megachurches have become increasingly common in major metropolitan areas.
• Critics argue that some megachurches prioritize entertainment over spiritual depth.
• The megachurch's parking lot was full by the time the service began.