- lack of thought or intelligence; empty-headedness；empty space; emptiness.
- 1. lack of thought or intelligence; empty-headedness he denounced what he considered the frivolity or vacuity of much contemporary painting 同義詞 反義詞
- 2. empty space; emptiness.
- lack of thought or intelligence; empty-headedness: full of excitement, I listened to my first student sermon – only to be taken aback by its vacuity
Oxford American Dictionary