filter out

To remove unwanted things from a liquid, air, or group of things.

• This mask filters out dust.
• The system filtered unwanted messages out of my inbox.
• Can you filter out the background noise?

How to use it: filter something out of something (The device filters dust out of the air.)

Similar words: remove, screen out, exclude

Common phrases: filter out something, filter out dust

To become known gradually as information reaches more people.

• The news slowly filtered out.
• Details of the deal filtered out over several weeks.
• More information is filtering out from people who attended the meeting.

How to use it: filter out of somewhere (Details filtered out of the meeting during the afternoon.)

Similar words: emerge, leak out, come out

Common phrases: filter out slowly, filter out gradually