Synonyms of unpaid in English:

unpaid


See US English definition of unpaid

See UK English definition of unpaid

See Spanish definition of pendiente

adjective

1‘a string of unpaid bills’

SYNONYMS
unsettled, outstanding, unresolved, unattended to, due, overdue, owing, owed, receivable, to be paid, payable, undischarged, in arrears, in the red
North American delinquent, past due
ANTONYMS

paid, settled

2‘unpaid charity work’

SYNONYMS
voluntary, volunteer, honorary, unrewarded, unremunerative, unsalaried, gratuitous, free
Law pro bono, pro bono publico
ANTONYMS

paid, professional