1. growing or developing rapidly
Usage: present participle of mushroom
2. gathering wild mushrooms
Usage: present participle of mushroom

1. characterized by rapid growth or expansion

Examples

• The tech industry is mushrooming in this city.
• Housing costs are mushrooming beyond what most families can afford.
• They spent the weekend mushrooming in the forest.
• The mushrooming population put strain on local resources.
• Social media usage has been mushrooming among teenagers.
• We went mushrooming after the rain when conditions were perfect.
• The mushrooming debt crisis requires immediate attention.