1640s, "empty" (implied in vacuousness), from Latin vacuus "empty, void, free" (see vacuum (n.)). Figurative sense of "empty of ideas, without intelligent expression" is from 1848. Related: Vacuously.
雙語例句
1. Male models are not always so vacuous as they are made out to be.
男模特兒并不總像人們說的那樣愚蠢。
來自辭典例句
2. She seemed almost to be apart from herself -- vacuous duplicate only.
她似乎幾乎與她自身都分離開了 - 僅僅剩下一個(gè)空虛的軀殼.
來自辭典例句
3. We would be satisfied with any draft document, however vacuous.