- that may or should be billed: Attorneys put in hundreds of billable hours on the case.
- an active customer account.
Origin of billable
Dictionary.com Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018
- 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
Word Origin and History for unbillable
Online Etymology Dictionary, © 2010 Douglas Harper