1. 1.
    existing in thought or as an idea but not having a physical or concrete existence.
    "abstract concepts such as love or beauty"
    synonyms: theoreticalconceptualnotionalintellectualmetaphysicalphilosophicalacademic
    antonyms: actualconcrete
    • dealing with ideas rather than events.
      "the novel was too abstract and esoteric to sustain much attention"
    • not based on a particular instance; theoretical.
      "we have been discussing the problem in a very abstract manner"
    • (of a word, especially a noun) denoting an idea, quality, or state rather than a concrete object.
      "abstract words like truth or equality"