# organizer

/ˈɔɹɡəˌnaɪzɝ/ (US)

Source: https://englishreference.com/word/organizer
Updated: 2026-06-20

## Senses

### 1. a person who plans events

noun · CEFR B1

a person who plans and manages the details of an event or a group.

For teachers: an individual responsible for the coordination and logistical management of public events, meetings, or social movements.

- The lead organizer of the festival made sure every band arrived on time.
- As the primary organizer of the international conference, she had to balance the needs of three hundred delegates with a very tight budget.

### 2. a tool for planning

noun · CEFR B1

a notebook, app, or small computer used to keep track of your schedule and notes.

For teachers: a physical notebook or digital device designed to facilitate personal time management and information storage.

- I wrote the appointment in my organizer so I wouldn't forget it.
- Before smartphones became ubiquitous, many professionals relied on a physical leather-bound organizer to track their daily appointments and contacts.

### 3. a storage container

noun · CEFR B2

a box or case with different sections to keep small items tidy.

For teachers: a container or receptacle, often divided into compartments, used for the systematic storage of small objects.

- She bought a plastic organizer to keep her desk drawers neat.
- The technician used a modular organizer to ensure that the various sizes of screws and bolts remained separated during the repair process.

### 4. biological cells

noun · CEFR C2 · Technical

a group of cells in a developing baby that tells other cells what to do.

For teachers: a region of an embryo that directs the development and differentiation of surrounding tissues.

- Scientists studied the organizer in the embryo to see how the spine forms.
- The discovery of the embryonic organizer provided a fundamental insight into how specific cell groups signal the structural layout of a developing organism.

## Examples

- The event organizer sent us the final schedule.
- She uses a digital organizer to keep track of her medical appointments and daily medication times.
- While the lead organizer handled the logistics of the conference, the rest of the committee focused on securing high-profile speakers and managing the budget.

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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.