[1] : The Collaborative International Dictionary of English v.0.48

unpaid \unpaid\
   see paid.
see also:
paid 

[2] : WordNet (r) 2.0

unpaid
     adj 1: not paid; "unpaid wages"; "an unpaid bill" ant: paid
     2: without payment; "the soup kitchen was run primarily by
        unpaid helpers"; "a volunteer fire department" syn: volunteera
     3: engaged in as a pastime; "an amateur painter"; "gained
        valuable experience in amateur theatricals"; "recreational
        golfers"; "reading matter that is both recreational and
        mentally stimulating"; "unpaid extras in the documentary"
        syn: amateur, recreational
see also:
paid volunteera amateur recreational 

[3] : Moby Thesaurus II by Grady Ward, 1.0

23 moby thesaurus words for "unpaid":
   back, due, freewill, gratuitous, honorary, in arrear, in arrears,
   mature, outstanding, overdue, owed, owing, payable, receivable,
   redeemable, uncompensated, unrecompensed, unremunerated,
   unrequited, unrewarded, unsettled, voluntary, volunteer

Unpaid >> U Words
Unpaid, definition of term: Unpaid
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