Commence vs Get on it

When to use each in English, with meaning, register, and examples.

Commence

FormalTop 3,000 (common)C1verb

Get on it

InformalTop 3,000 (common)
Most formal: Commence
 CommenceGet on it
Pronunciation🇬🇧 //kəˈmɛns//🇺🇸 //kəˈmɛns//🇬🇧 //ɡɛt ɒn ɪt//🇺🇸 //ɡɛt ɑn ɪt//
MeaningTo start or begin something.Start doing something quickly.
ExampleThe ceremony will commence at noon.You need to get on it if you want to finish by Friday.
RegisterFormalInformal
How commonTop 3,000 (common)Top 3,000 (common)
CEFR levelC1-
Part of speechverb
Collocationscommence operations, commence proceedings, commence studiesget on it quickly, get on it now, get on it ASAP
Antonymscease, stop, end-
Common mistakesUsed incorrectly in informal contexts where simpler 'start' would be better., Confused with 'committed' due to similar sounds., Often misspelled as 'comence'.Using in overly formal contexts., Confusing with 'get at it' which means to approach a topic., Misplacing the word order.
Usage notesUsed in formal writing and speeches. It's less common in everyday conversation. Often used in legal and professional contexts.Use 'get on it' when encouraging someone to begin a task. It’s suitable for casual conversations but may seem too informal for professional settings.

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Commence
Get on it

Frequently asked questions: Commence vs Get on it

What's the difference between Commence and Get on it?

Commence: To start or begin something. Get on it: Start doing something quickly.

Which is more formal: Commence and Get on it?

Commence is the most formal of these.

Can you show an example of each?

Commence: The ceremony will commence at noon. Get on it: You need to get on it if you want to finish by Friday.

Can I use Commence and Get on it interchangeably?

Not always. Commence and Get on it are related and overlap in some contexts, but they differ in register, how common they are, and usage, so swapping one for another can change the meaning or tone. Check the differences above before substituting.

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