"a bland diet" "insipid hospital food" "flavorless supermarket tomatoes" "vapid beer" "vapid tea"
"a vapid conversation" "a vapid smile" "a bunch of vapid schoolgirls"
Tuneful but vapid musical comedies.
牛津高階第八版
美國韋氏詞典
Dictionary.com
Free Dictionary
維基百科 (自由的百科全書)