throwaway

adjective
UK /ˈθrəʊəweɪ/
US /ˈθroʊəweɪ/

Made to be used once and then thrown in the trash.

We drank juice from throwaway cups at the party.


OTHER MEANINGS

2. A remark said in a casual way, as if it is not important.

He made a throwaway comment about the weather, but it stuck in my mind.

3. Something made cheaply to be sold quickly, like a book or magazine.

She bought a throwaway novel to read on the train.

4. A person or thing that is not valued and is easily given up.

The team treated him like a throwaway player and never let him play.