Wordnet 3.0
ADJECTIVE (1)
1. 
 highly cultured or educated; 
- Example: "highbrow events such as the ballet or opera"- Example: "a highbrowed literary critic"[syn: highbrow, highbrowed]
The Collaborative International Dictionary of English v.0.48:
highbrow \highbrow\ highbrowed \highbrowed\adj.
   highly cultured or educated; pertaining to highly educated
   people; as, highbrow events such as the ballet or opera.
   [informal]
   [WordNet 1.5]
WordNet (r) 3.0 (2006):
highbrowed
    adj 1: highly cultured or educated; "highbrow events such as the
           ballet or opera"; "a highbrowed literary critic" [syn:
           highbrow, highbrowed]