highest

superlative form of high: most high

Adjective

  1. superlative form of high: most high
    • On the Guliya glacier in the western Kunlun, they hand-drilled three cores, including one from the twenty-two-thousand-foot summit that was the highest ever retrieved at the time. - 2005, Mark Bowen, Thin Ice: Unlocking...

    Synonyms: maximum ultimate utmost extreme ferocious exquisite intense almighty greatest highest maximal passing raging uttermost

Adverb

  1. superlative form of high: most high