Definitions
01a person who plans events
B1 · Intermediate Countable noun
n. a person who plans and manages the details of an event or a group.
n. 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.”
Synonyms
02a tool for planning
B1 · Intermediate Countable noun Computing
n. a notebook, app, or small computer used to keep track of your schedule and notes.
n. 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.”
03a storage container
B2 · Upper Intermediate Countable noun
n. a box or case with different sections to keep small items tidy.
n. 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.”
04biological cells
C2 · Proficiency Countable noun Science Technical
n. a group of cells in a developing baby that tells other cells what to do.
n. 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.”
Synonyms
Collocations
Common phrases and expressions where native English speakers use the word “organizer” in context.
Verb
01. appoint organizer
“The committee decided to appoint a professional organizer for the gala.”
verb + noun
02. contact organizer
“If you have questions about the schedule, please contact the organizer.”
verb + noun
03. organizer announces
“The event organizer announces the winners at the end of the night.”
noun + verb
04. organizer plans
“The wedding organizer plans every detail from the flowers to the music.”
noun + verb
Adjective
05. chief organizer
“She was appointed as the chief organizer for the international film festival.”
adj + noun
06. digital organizer
“I use a digital organizer on my phone to keep track of my daily tasks.”
adj + noun
07. efficient organizer
“We need an efficient organizer to handle the logistics of the conference.”
adj + noun
08. lead organizer
“The lead organizer addressed the crowd before the protest march began.”
adj + noun
Noun
09. role of organizer
“He took on the role of organizer for the local charity drive.”
noun + prep + noun
10. a personal electronic organizer
“Before smartphones, many people carried a personal electronic organizer.”
11. act as the main organizer
“She volunteered to act as the main organizer for the school reunion.”
12. thank the event organizers
“I would like to thank the event organizers for such a wonderful evening.”
Etymology
From organize + -er.
Etymology adapted from Wiktionary, available under CC BY-SA 4.0.
Word family
VERB
NOUN
ADJECTIVE
Domains
- Exam level
- CambridgeCambridgeCambridge English QualificationsThe exam suite from Cambridge University Press & Assessment, from A1 Movers up to C2 Proficiency. The benchmark names double as CEFR labels.B1 PreliminaryIELTSIELTSInternational English Language Testing SystemThe 0–9 band test co-owned by the British Council, IDP, and Cambridge. Used for university entry, work, and migration.4.0–5.0TOEFL iBTTOEFL iBTTest of English as a Foreign Language, Internet-Based TestETS's academic English test, the standard route for US university admissions. Scored 0–120, with a 1–6 scale since 2026.1–6 scale: 3.0–3.544–71TOEICTOEICTest of English for International CommunicationETS's workplace English test, big in Japan and Korea. Listening & Reading scores 10–990 and tops out at C1.550–784
- Frequency
- Frequent
- Level
- B1 · IntermediateOxford
- Updated
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QR code
englishreference.com/q/organizer
「カタカナ語」 data: JMdict (EDRDG), CC BY-SA 4.0