Uncompensated (adjective)

Not compensated; not having received payment or recompense.

Origin:

From un- + compensated.

Examples:

1. The uncompensated work performed by volunteers is valuable to the community.
2. The uncompensated overtime hours put a strain on the employee's finances.
3. The uncompensated time off taken by the employee was not accounted for in their salary.
4. Many uncompensated internships are taken by students for the purpose of gaining experience.
5. The uncompensated medical expenses incurred by the patient were substantial.