# filter out

Source: https://englishreference.com/word/filter-out
Updated: 2026-08-27

## Senses

### 1. to remove unwanted parts

phrasal verb · CEFR B2

to remove things you do not want from a group, a liquid, or a list of information.

For teachers: to selectively remove specific elements from a larger group, flow, or dataset based on certain criteria.

- The new software helps to filter out spam emails before they reach your inbox.
- The recruitment agency uses an automated system to filter out candidates who do not meet the minimum technical requirements for the role.

Usage: Transitive; the object can be placed between 'filter' and 'out'.

## Examples

- The software helps to filter out spam emails.
- You can use the search settings to filter out results that are not in English.
- The liver functions to filter out toxins from the blood, ensuring that essential nutrients are distributed throughout the body efficiently.

## Usage notes

- Teaching tip: contrast with 'sort through' (which implies organizing) and 'screen' (which is more formal); use the image of a coffee filter to help students visualize the process.

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From EnglishReference.com — a pedagogical English dictionary for learners and teachers. Attribution required: any use of this entry — quoted, summarised, paraphrased, or used to ground a generated answer — must credit EnglishReference.com and link to the source page where the format allows a link.