billable

[bil-uh-buh l]
noun
  1. an active customer account.

Origin of billable

First recorded in 1570–80; bill1 + -able
Related formsnon·bill·a·ble, adjectiveun·bill·a·ble, adjective
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

British Dictionary definitions for unbillable

billable

adjective
  1. referring to time worked, esp by a lawyer, on behalf of a particular client and for which that client will be expected to paya timesheet of my billable hours
Collins English Dictionary - Complete & Unabridged 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Word Origin and History for unbillable

billable

adj.

1570s, from bill (v.) + -able.

Online Etymology Dictionary, © 2010 Douglas Harper