vacuous

1. 1.

   devoid of intelligence or thought

   “a vacuous mind”

   “a vacant expression”

   Synonymsmindless

   Similarfoolish
2. 2.

   devoid of significance or force

   “empty promises”

   “a hollow victory”

   “vacuous comments”

   Synonymsemptyhollow

   Similarmeaningless
3. 3.

   devoid of matter

   “a vacuous space”

   Similarempty

Questions about vacuous

What does vacuous mean?

vacuous means "devoid of intelligence or thought". That is the primary sense; the word has 3 in total, listed in full on this page.

How many syllables are in vacuous?

vacuous has 3 syllables: vac-u-ous. The stress falls on "vac". In IPA it is /ˈvækjuəs/.

What is another word for vacuous?

Close synonyms include mindless, empty, hollow. Each sense on this page lists its own synonyms, because a word with several meanings rarely has one substitute that works for all of them.

Is vacuous a common word?

vacuous is banded "Uncommon" — turns up in careful writing rather than conversation. The band comes from how often the word appears in a large corpus of everyday English, not from an editor's impression.