(transitive) To fill; to replace material that is absent or has been removed.
After you're done laying the pipe, fill in the trench.
No comments yet — say something.
(transitive, idiomatic) To inform somebody, especially to supply someone missing or missed information.
If you know anything about this, maybe you can fill me in.
No comments yet — say something.
(intransitive, idiomatic) To substitute for somebody or something.
He can't go on vacation very often because there is nobody to fill in for him.
No comments yet — say something.
Add your own interpretation of "fill in".
The vocabulary of software engineers, AI researchers, and anyone living in a terminal or on GitHub — from LLM to MCP, CORS to vibe coding, agentic to enshittification.
See all Tech, Dev & AI slang on Slangora.