organiser
Pluralorganisers
US spellingorganizer · also used in the UK
- 1Someone who plans an event and takes care of its practical arrangements.
As the main organiser of the march, she had to agree the route with the police.
Festival organisers have laid on extra buses after record ticket sales.
UsageUsually the organiser of an event, or with a noun in front: festival organisers, march organisers.
Note
Built from organise with the ending -er, this sense names the people who run an event, from a village fete to a national march. A professional organiser does a different job: private clients hire one for help getting their own affairs in order. Organiser is the usual British spelling; organizer, the Oxford spelling, is equally correct.
Checked 5 Nov 2026 · 2 facts
- Organiser is formed from organise and the suffix -er. en.wiktionary.org
- Organizer is a correct British spelling under the Oxford spelling convention. en.wikipedia.org
- 2Someone who signs up members for a trade union, or who rallies people behind a political or community campaign.
The union sent an organiser to the distribution centre after staff complained about zero-hours contracts.
As a community organiser, she spent months building support for a new bus route through the estate.
Similarcampaigner, activist
- 3A box, case or other container for keeping small belongings, such as gadgets and trinkets, stored together.
The drawer organiser has a slot for every cable, charger and memory stick.
A couple of cheap organisers stopped the bathroom cabinet overflowing with clutter.
UsageUsually with a noun in front: a desk organiser, a drawer organiser. On its own it may suggest a person or a diary.
Less common meanings
- 4A paper notebook, diary, calendar or something similar in which a person keeps their appointments and affairs in order.
He still prefers a ring-bound organiser to any app on his phone.
Every page of her organiser was crammed with lists, dates and reminders in pencil.
UsageOften called a personal organiser, especially the ring-bound kind.
- 5A small hand-held computer built for particular tasks, such as keeping a diary, sounding alarms, recording notes and storing information.
Before smartphones, many business travellers carried an electronic organiser for their contacts and appointments.
The organiser's tiny keyboard made typing long notes slow work.
UsageUsually electronic organiser, which keeps it apart from the paper kind.
Note
Handheld organisers were everyday kit before smartphones took over their jobs, so the meaning now turns up mostly in talk about older technology.
- 6A group of cells in an embryo that sends signals directing how surrounding cells develop; also called an inductor.
Practice
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Origin
Formed from the verb organise with the suffix -er, which makes nouns for someone or something that does an action.
Checked 5 Nov 2026 · 2 facts
- Organiser is formed from the verb organise with the suffix -er. en.wiktionary.org
- The suffix -er forms nouns for someone or something that performs an action. en.wiktionary.org