organizer

organizer — noun

1. a person or group that gets a meeting, show, race, or similar activity ready and

1.nounB2
Definition

a person or group that gets a meeting, show, race, or similar activity ready and coordinates its different parts

Example

The organizer booked the hall and emailed every parent last week.

organizer + booked and emailed

Our class organizer printed name tags before the science fair opened.

class organizer before an event

Common collocations
  • event organizer
  • race organizer
  • main organizer
  • wedding organizer
Synonyms
  • planner

    close in meaning, but it can stress making plans more than running the event itself

  • coordinator

    often emphasizes bringing people and schedules together

  • host

    focuses more on welcoming guests than on preparing every detail

  • promoter

    often used for someone who publicizes and sells an event, especially in entertainment

Grammar Patterns

the organizer of a concert

event organizer

main organizer

Usage Note

Common with event nouns like concert, conference, race, or wedding. Distinguish from sense 2: this sense names the person or team in charge of a specific event, not someone who is generally good at planning.

Common Mistakes

She is the organize of the concert.
She is the organizer of the concert.
Organizer is the noun for the person; organize is the verb.

2. someone who naturally plans ahead and keeps work, time, or objects in good order

2.nounB2
Definition

someone who naturally plans ahead and keeps work, time, or objects in good order

Example

Nina is such an organizer that every cable in her room has a label.

organizer + that-clause

The team needs an organizer to turn ten ideas into one clear plan.

needs an organizer

Common collocations
  • natural organizer
  • born organizer
  • good organizer
  • family organizer
Synonyms
  • planner

    stresses thinking ahead, but not always the neat, orderly side

  • coordinator

    suggests managing people or tasks, often in a work setting

  • orderly person

    describes someone neat and systematic, often in everyday life

  • tidy person

    focuses more on keeping things neat than on planning ahead

Antonyms

Grammar Patterns

be an organizer

a natural organizer

good organizer

Usage Note

Often used after be, especially in patterns like a natural organizer or the organizer in the family. Distinguish from sense 1, which is tied to arranging one event rather than describing a person's general habit.

Common Mistakes

My sister is very organizer.
My sister is very organized.' / 'My sister is an organizer.
Organizer is a noun; organized is the adjective.

3. a box, tray, or similar holder with sections for keeping small items sorted in a

3.nounB1
Definition

a box, tray, or similar holder with sections for keeping small items sorted in a drawer, bag, or cupboard

Example

I keep earrings in a plastic organizer inside the top drawer.

plastic organizer in a drawer

The desk organizer has spaces for pens, clips, and stamps.

desk organizer

Common collocations
  • desk organizer
  • drawer organizer
  • shoe organizer
  • plastic organizer
Synonyms
  • storage box

    a broader term that may not have separate sections inside

  • tray

    often flatter and more open than an organizer

  • divider

    usually names the part that separates spaces, not the whole container

  • case

    can mean a container for carrying things, often with a lid

Grammar Patterns

drawer organizer

desk organizer

shoe organizer

Usage Note

Usually refers to a container with fixed sections, not just any box. Common with place or use words like desk, drawer, shoe, travel, or makeup.

Common Mistakes

I put the socks in the organize.
I put the socks in the organizer.
Organizer is the storage item; organize is the verb.

Word family

Synonym discussion

Sense: noun/1

Organizer is the everyday word for the person or team that puts an event together and keeps everything moving. Planner is close, but it often stresses making plans in advance rather than handling every detail on the day. Coordinator focuses on bringing people, tasks, or schedules together, and may cover only one part of a larger event. Host usually means the person welcoming guests, so it is less about backstage preparation. Promoter is common for concerts, sports, or nightlife, where advertising and selling tickets matter. You can say The organizer changed the meeting room at noon. For a music show, The promoter sold out the hall sounds more natural.

Etymology

GreekLatinFrenchEnglish

Organizer was formed in English from organize and the suffix -er, which often names a person or thing that does an action. Organize came through French and later Latin from Greek organon, meaning a tool or instrument. Over time, the word developed the idea of arranging parts so they work together in a useful way.