Added 9 October 2026 everest noun Categories: NatureRare Words noun ! Definition from WordNet 3.1, Princeton University. More about everest at Wordnik → Where our words come from → A mountain in the central Himalayas on the border of Tibet and Nepal; the highest mountain peak in the world (29,028 feet high). Related Words: peakfengresponsefungkelseychomolungmasumassnoqualmieyoung Back to today's word