EN[vɑːst] [væst] [-ɑːst]

    Definition of vast in English Dictionary

  • NounPLvasts
    1. (poetic) A vast space.
    2. AdjectiveCOMvasterCOMmore vastSUPvastestSUPmost vast
      1. Very large or wide (literally or figuratively).
        1. The Sahara desert is vast.
        2. There is a vast difference between them.
      2. Very great in size, amount, degree, intensity, or especially extent.
        1. Last spring, the periodical cicadas emerged across eastern North America. Their vast numbers and short above-ground life spans inspired awe and irritation in humans—and made for good meals for birds and small mammals.
      3. OBS Waste; desert; desolate; lonely.
      4. More Examples
        1. Used in the Middle of Sentence
          • [ …] pebbles of vast size, or blocks of stone, attrited by water to smoothness, conjoined by a cement of mud.
          • Now, the vast majority of us identify with the second group, the one that believes in trusting the wisdom of the people rather than taking power away from them and concentrating it in the other hands.
          • While several classes of kinase inhibitors are highly selective (MEK, covalent modifying kinase inhibitors) many possess a vast polypharmacology across the kinome target-scape.
      • Part-of-Speech Hierarchy
        1. Adjectives
          • Nouns
            • Countable nouns
          Related Links:
          1. en vastness
          2. fr vaste
          3. en vasts
          4. en vasty
          5. en vaster
          Source: Wiktionary
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          Meaning of vast for the defined word.

          Grammatically, this word "vast" is an adjective. It's also a noun, more specifically, a countable noun.
          Difficultness: Level 1
          Easy     ➨     Difficult
          Definiteness: Level 8
          Definite    ➨     Versatile