Vacuous

//ˈvækju.əs// adj

Definitions

Adjective
  1. 1
    Empty; void; lacking meaningful content.

    "vacuous expression"

  2. 2
    Showing a lack of thought or intelligence; vacant.
Adjective
  1. 1
    devoid of matter wordnet
  2. 2
    devoid of significance or force wordnet
  3. 3
    devoid of intelligence or thought wordnet

Etymology

Learned borrowing from Latin vacuus (“empty, vacant”) + -ous.

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