1. Vacuous- adjective

2. Vacuous pronunciation: va-kyə-wəs
The interview with the celebrity produced a series of vacuous comments.

3. Vacuous
Other forms:
vacuously- adverb
vacuousness- noun

4. Vacuous
Synonyms: bare blank devoid vacant stark Antonym: full

5. Using vacuous in sentences
He was about fifty years of age, clean shaven, with vacuous eyes and a weak mouth.
(Source: E. Phillips Oppenheim in 'The Yellow Crayon')
He stared at me with a hopeless expression upon his vacuous, good-natured, scrubby little face.
(source: Sir Arthur Conan Doyle in 'The Lost World')
Dorothy's vacuous smile faded, uncomprehending
(source: Charles E. Fritch in 'The Odyssey of Sam Meecham')

6. Vacuous
Antonym:
full