Definition of


  1. (adj, all) devoid of intelligence
  2. (adj, all) devoid of significance or point
    a hollow victory
    vacuous comments
  3. (adj, all) devoid of matter
  4. (adj, all) void of expression

via WordNet, Princeton University

Synonyms of Vacuous

asinine, blank, empty, fatuous, hollow, inane, mindless

Alternate forms of Vacuous

Derivations: vacuity, vacuousness

Origin of the word Vacuous

  1. 1648, "empty," from L. vacuus "empty, void, free" (see vacuum). Figurative sense of "empty of ideas" is from 1848. more

via Online Etymology Dictionary, ©2001 Douglas Harper

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