What does "vacantly" mean?

In a vacant manner; inanely or foolishly.

What is a synonym for "vacantly"?

Common synonyms include: absently, blankly, emptily, expressionlessly, fatuously, idly.

adv

adv ·Rare ·Advanced level

Adverb

1
In a vacant manner; inanely or foolishly.
"Mao gave no indication that he had heard or understood Jakob; his clouded eyes were fixed vacantly on one of the long windows of the old Ming dwelling beyond which the waters of Chung Nan Hai — the Central and South lakes — sparkled in the afternoon sunshine."

Adverb

"Tom had a cigarette hanging out of his mouth while he vacantly stared up at the sky."

From vacant + -ly.