1. grew or increased rapidly in size, number, or importance
Usage: past tense of mushroom

Examples

• The small startup mushroomed into a major corporation within five years.
• Housing costs have mushroomed in the city over the past decade.
• The protest mushroomed from a few dozen people to thousands.
• Online shopping mushroomed during the pandemic.
• The scandal mushroomed when more witnesses came forward.
• Her social media following mushroomed after the viral video.
• The wildfire mushroomed overnight, forcing evacuations.