unbilled

English

Etymology

From un- +‎ billed.

Adjective

unbilled (not comparable)

1. (business) Not yet having been billed

   an unbilled invoice

2. not on the billing at a festival
   • 2019 August 15, Bob Stanley, “'Groovy, groovy, groovy': listening to Woodstock 50 years on – all 38 discs”, in The Guardian‎^[1]:

     Thanks to the rain, the electrical setup is life-threatening, so the unbilled Melanie takes the stage with her acoustic guitar: Close to It All and Momma Momma are truly intense.