Good to go vs Ready

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

Good to go

InformalTop 2,000 (common)

Ready

Top 1,000 (very common)A1adjective
Most formal: ReadyMost common: Ready
 Good to goReady
Pronunciation🇬🇧 //ɡʊd tə ɡoʊ//🇺🇸 //ɡʊd tu ɡoʊ//🇬🇧 /["/ˈredi/"]/🇺🇸 /["/ˈredi/"]/
MeaningReady and set to start or leave.Prepared or willing to do something.
ExampleAfter checking the equipment, the team said they were good to go.I am ready to start the project.
RegisterInformalNeutral
How commonTop 2,000 (common)Top 1,000 (very common)
CEFR level-A1
Part of speechadjective
Collocationsgood to go, all set and good to go, ready and good to go, good to go for a trip, good to go on timeappear, be, feel, all, completely, totally, for, with, appear, be, feel, all, completely, totally, for, with, appear, be, seem, more than, only too, very, ready and willing
Antonyms-unprepared, incomplete, hesitant
Common mistakesUsed in formal contexts, which sounds inappropriate., Confused with phrases like 'good to see you' or 'good to know'.Using 'ready' without 'to' when followed by a verb., Confusing 'ready' with 'set' in phrases like 'ready, set, go'., Using 'ready' in negative forms incorrectly, such as 'not ready to can'.
Usage notesUse in casual conversations to indicate preparedness. Avoid in formal settings.Use 'ready' when someone is prepared for an action. It’s neutral, suitable for most contexts. Avoid in overly formal writing.

See it in real clips

Good to go
Ready

Frequently asked questions: Good to go vs Ready

What's the difference between Good to go and Ready?

Good to go: Ready and set to start or leave. Ready: Prepared or willing to do something.

Which is more formal: Good to go and Ready?

Ready is the most formal of these.

Which is more common: Good to go and Ready?

Ready is the most common in everyday English.

Can you show an example of each?

Good to go: After checking the equipment, the team said they were good to go. Ready: I am ready to start the project.

Can I use Good to go and Ready interchangeably?

Not always. Good to go and Ready 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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