American English

Definition of infra dig adjective from the Oxford Advanced American Dictionary

 

infra dig

 adjective
adjective
NAmE//ˌɪnfrə ˈdɪɡ//
 
[not before noun] (old-fashioned) (informal)
 
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considered to be below the standard of behavior appropriate in a particular situation or to someone's social position She thinks catching the bus is a bit infra dig.
See the Oxford Advanced Learner's Dictionary entry: infra dig