# scheduler

/ˈskɛdʒuɫɝ/ (US) · /ʃˈɛdjʊlɐ/ (UK) · CEFR B2 · Noun

Source: https://englishreference.com/word/scheduler
Updated: 2026-07-22

## Definition

a person or a computer program that organizes when things should happen. You use it to manage appointments, tasks, or the timing of computer processes.

For teachers: a person who manages a timetable or a software component that manages the execution order of tasks or processes. In computing, it refers to the system that allocates resources to various jobs.

## Examples

- The online scheduler makes it easy to book your own appointments.
- The project scheduler spent the morning adjusting the timeline after the shipment of materials was delayed by a week.
- In modern operating systems, the CPU scheduler is responsible for determining which process should run at any given moment to maximize efficiency and minimize latency.

## Usage notes

- Commonly used in both administrative business contexts and technical computing contexts.

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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.