1. a person who climbs mountains as a sport or profession

1. to climb mountains

Examples

• The experienced mountaineer reached the summit after three days of climbing.
• She became a professional mountaineer after years of training.
• The mountaineer carried specialized equipment for the dangerous ascent.
• They decided to mountaineer in the Alps during their vacation.
• He learned to mountaineer at a young age in the Rocky Mountains.
• The mountaineer’s guide helped them navigate the treacherous terrain.
• Many people mountaineer as a way to challenge themselves physically.