Wordnet 3.0
ADJECTIVE (1)
1. 
 involving gainful employment in something often done as a hobby; 
[syn: nonrecreational, paid]
The Collaborative International Dictionary of English v.0.48:
nonrecreational \nonrecreational\ adj.
   involving gainful employment in something often done as a
   hobby; as, nonrecreational footbal. [Narrower terms:
   professional (vs. amateur)]
   Syn: paid.
        [WordNet 1.5]
WordNet (r) 3.0 (2006):
nonrecreational
    adj 1: involving gainful employment in something often done as a
           hobby [syn: nonrecreational, paid]