English Expression · Intermediate
fill in
To inform somebody, especially to supply someone missing or missed information
Pronunciation: say fill in
Meaning
To fill a hole or depression with material; also, to provide someone with missing information.
Example
After you're done laying the pipe, fill in the trench.
After you're done laying the pipe, fill in the trench.
Practice tips
- Practice fill in out loud — read the pronunciation guide above and repeat.
- Use it in your own sentence today; reuse beats rereading.
- Pay attention to context: this English expression is for intermediate-level learners.