mushroomed

Verb

mushroom (third-person singular simple present mushrooms, present participle mushrooming, simple past and past participle mushroomed)

1. (figuratively, intransitive) To grow quickly to a large size or rapidly increase in scope or scale.
   • The town’s population mushroomed from 10,000 to 110,000 in five years.
2. (intransitive) To gather mushrooms.
   • We used to go mushrooming in the forest every weekend.
3. (intransitive) To form the shape of a mushroom.
   • Excessive spot weld time may cause the electrode tips to mushroom, resulting in no focus of current and a weak weld.2001, James E. Duffy, I-Car Professional Automotive Collision Repair, page 173
   1. (intransitive) To form the shape of a mushroom when striking a soft target.

See all 12 meanings of mushroom