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Webster 1913 Edition

Adj.

Foreign to a profession; not within the ordinary limits of professional duty or business.

Adj.

[extra and professional.] Foreign to a profession; not within the ordinary limits of professional duty or business.

Molina was an ecclesiastic,and these studies were extraprofessional.

extraprofessional ‎(comparative more extraprofessional, superlative most extraprofessional)

Foreign to a profession; not within the ordinary limits of professional duty or business.