1. the act or condition of breathing more rapidly or deeply than normal, often resulting in excessive loss of carbon dioxide
Usage: medical/physiological term; also called hyperventilation

1. to breathe more rapidly or deeply than is necessary or normal
Usage: present participle of overbreathe

Examples

• Overbreathing during panic attacks can cause dizziness and tingling in the extremities.
• The athlete was overbreathing before the race, which made her feel lightheaded.
• Prolonged overbreathing may lead to a drop in blood carbon dioxide levels.
• She noticed she was overbreathing when anxiety set in.
• Doctors warned against overbreathing as a response to stress.
• The patient's overbreathing was corrected by using a paper bag technique.