organiser
Pluralorganisers
US spellingorganizer · also used in the UK
- 1A person who plans an event and sorts out its practical details.
Every stallholder must check in with the organiser by nine o'clock.
The organisers of the fun run thanked everyone who took part.
UsageSay the organiser of the event, or the festival organisers.
Note
- 2A person who gets workers to join a trade union, or gets people to support a political or local campaign.
A union organiser came to the factory to talk to the workers about their pay.
Local organisers knocked on every door to get people to sign the petition against closing the library.
Similarcampaigner, activist
- 3A box or case for keeping small things, like gadgets and little ornaments.
I keep my pens and paper clips in a desk organiser.
She bought a clear plastic organiser for her make-up.
UsageUsually said with a word in front, like desk organiser or make-up organiser.
Less common meanings
- 4A paper diary or notebook that helps you plan your days and keep track of things.
She checked her organiser to see when her next GP appointment was.
My old leather organiser is full of notes and phone numbers.
UsagePeople often say personal organiser.
- 5A small computer you hold in your hand, used as a diary, alarm clock or notebook.
Dad set an alarm on his organiser so he wouldn't miss the train.
She typed the shopping list into her electronic organiser.
UsagePeople usually say electronic organiser.
Note
- 6A group of cells in an early embryo that helps control what other cells grow into.
Practice
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Origin
It comes from the verb organise with the ending -er added.
Checked 5 Nov 2026 · 1 fact
- Organiser comes from the verb organise with the ending -er added. en.wiktionary.org