mt noun Stress: first syllable ๐ค Save Syllables: mt (1) English Definition Abbreviation for Mount or Mountain. Example Sentence Mt. Everest is the highest peak in the world. US IPA /maสnt/ ๐ Listen US UK IPA /maสnt/ ๐ Listen UK Synonyms mountain mount peak Antonyms valley lowland Share this Word Facebook WhatsApp X Telegram Copy Link