Definition, Meaning & Synonyms
fill-in
noun
/ˈfɪl.ɪn/

Definition
A person or thing that fills a vacancy or serves as a temporary substitute.

Examples
- She took a fill-in position at the school while the teacher was on leave.
- The novel had a few fill-in characters that added depth to the story.

Meaning
Fill-in refers to someone or something used to occupy a position temporarily, often in work or activities.

Synonyms
- substitute
- replacement
- stand-in