# executable

/ˌɛksɪkjˈuːtəbəl/ (UK) · CEFR C1 · Adjective

Source: https://englishreference.com/word/executable
Updated: 2026-05-26

## Definition

describing a computer file that can be run as a program. You use this to talk about files that contain instructions for the computer to follow.

For teachers: capable of being run or executed by a computer system. Often used to describe files containing machine code or scripts that perform specific tasks.

## Examples

- The user downloaded an executable file to install the new software.
- Before running any executable, the security team checks the file's digital signature to ensure it is safe.
- Modern operating systems often restrict the execution of unknown executables to prevent malicious code from compromising the integrity of the user's data.

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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.