organizer

noun

USOR-guh-ny-zur/ˈɔɹɡənaɪzɚ/UKAW-guh-ny-zuh/ˈɔːɡənaɪzə/

Pluralorganizers

UK spellingorganiser

5 meanings of organizer

1
event plannernouncountable
Someone who plans and runs a public event so everything goes smoothly.
Like the person who plans a birthday party so the food, games, and guests are all ready on time.
The festival organizer made sure every band reached the stage on time.
Event organizers worked late to set up the hall before the crowd arrived.
Similarcoordinator, planner
2
paper diarynouncountable
A paper notebook or calendar used to keep track of your plans and appointments.
Like a little book where you write everything you need to remember.
She wrote her dentist appointment in her organizer.
He carries a small organizer in his bag for daily notes.
Similarplanner, diary, datebook
3
storage boxnouncountable
A box or case used to keep small things like tools and trinkets sorted.
Like a box with small spaces where you keep little things so you can find them later.
She dropped her earrings into the desk organizer.
He sorted his loose screws into a plastic organizer.
Note
4
handheld computernouncountable
A small hand-held computer used to store notes, reminders, and contact lists.
Like a tiny pocket computer that holds your calendar and phone numbers.
She checked her organizer for the meeting time.
He typed the new phone number into his organizer.
SimilarPDA
Note

Less common meaning

5
noun
A group of cells in an early embryo that guide nearby cells to develop into specific body parts.

Practice

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Origin

From the word "organize" plus the ending "-er".