Meaning
fill A in on B means to provide someone (A) with information or details about something (B). It is commonly used when one person updates another about a situation, plan, or event they missed.
Grammar and Usage
- Structure: fill + [person] + in on + [topic/event]
- Verb type: Phrasal verb, transitive, separable (but usually kept together).
Examples of structure:
- "fill me in on the details"
- "fill her in on what happened yesterday"
Common Phrases
- fill someone in on the details
- fill me in on what happened
- fill her in on the plan
- fill them in on the meeting
Collocations
- fill someone in on + the details / the news / the plan / the situation / the meeting / what happened
Examples
- Can you fill me in on what I missed in class yesterday?
- I need to fill her in on the changes before the meeting.
- He filled us in on his travel experiences in Europe.
- Please fill me in on the latest company news.
- She filled her friend in on the gossip from the party.
- I’ll fill you in on the details later.
- The manager filled the team in on the new project.
- Can you fill him in on the current situation?
Synonyms or Related
- update someone on
- brief someone about
- inform someone of
- bring someone up to speed
Antonym
- keep someone in the dark
- withhold information from someone