fill someone in

Meaning

This casual phrasal verb means to give someone the details, updates, or background information about something they missed or do not know yet. It is highly common in relaxed business discussions and meetings.

Examples

• I missed the morning meeting, so could you fill me in on what happened?

  I missed the morning meeting, so could you fill me in on what happened?

• Let me fill you in on the details of our new marketing strategy.

  Let me fill you in on the details of our new marketing strategy.

• She filled the team in on the feedback we received from the client.

  She filled the team in on the feedback we received from the client.

• Before we start, can someone fill me in on the project status?

  Before we start, can someone fill me in on the project status?

• I will fill you in on the gossip during our lunch break.

  I will fill you in on the gossip during our lunch break.

Common Mistakes

• ✗ Can you fill in me about the meeting?

  ✓ Can you fill me in on the meeting?

  If you use a pronoun (like 'me', 'him', 'her'), it must go between 'fill' and 'in'. Also, the preposition 'on' is much more natural than 'about' in this phrase.

• ✗ I need to fill in you about the new rules.

  ✓ I need to fill you in on the new rules.

  The object pronoun must split the phrasal verb: 'fill [someone] in'.

Related Expressions

Practice

• I was on vacation last week, so please ___ on the latest updates.

  💡 Give me the details I missed.

  Show answer

  fill me in

• Can you ___ on what the client said during the call?

  💡 Update me.

  Show answer

  fill me in