Nine-thousander

noun

noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    Any mountain that extends more than 9,000 metres (29,528 ft) from the surface.

    "Let’s say that Everest was 200 meters higher, that is, a nine-thousander peak. Would an ascent without additional oxygen still be possible?"

  2. 2
    Any mountain that extends more than 9,000 feet but less than 10,000 feet above sea level.

Example

More examples

"Let’s say that Everest was 200 meters higher, that is, a nine-thousander peak. Would an ascent without additional oxygen still be possible?"

Etymology

From nine thousand + -er.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.