filter - definition and synonyms


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present tense
present participlefiltering
past tensefiltered
past participlefiltered
  1. 1
    [intransitive] if light or sound filters into a place, only a little of it enters that place
    filter through/in/into etc:

    The August sunlight filtered in through the blinds.

    The noise of the traffic filtered through the heavy curtains.

  2. 2
    [intransitive] if news or information filters out or through to people, they receive it gradually or after a period of time
    filter through/out/back etc:

    News of the decision filtered out to reporters.

    These new ideas have not yet filtered down to sales staff.

  3. 3
    [transitive] to pass something through a filter to remove particular things contained in it

    Everything we download from the Internet is automatically filtered through our virus software.

  4. 4
    [intransitive] British if traffic filters somewhere, it turns right or left when a separate traffic light gives it the signal to go

    Most of the cars filtered off to the right.

  5. 5
    [intransitive] if people filter somewhere, they gradually go there
    filter in/into/out etc:

    People began to filter into the theatre.

phrasal verbs