| The amount of land devoted to development has mushroomed, thanks to the automobile, improved building technology, and greater affluence. |
| The global population has mushroomed during the past 150 years as cheap oil has lubricated high levels of food production. |
| Soon after, she was invited to sing at more concerts in North Dakota and her career mushroomed. |
| The smugglers have the support of local political leaders and the police, and cattle haats have mushroomed on an 8-km corridor along the border. |
| His grin mushroomed into laughter, and a moment later, he was convulsed with it. |
| Paranoia mushroomed into madness for Nash and eventually he was diagnosed as schizophrenic. |
