Good to go means ready, set to start or leave. My bag is packed, so I'm good to go. Once the microphone is connected, we're good to go. Good doesn't rate quality here: the camera is good to go because it's charged, not because it takes the best pictures. The phrase is casual and comes from American English.
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be good to go; once something is ready, we're good to go
- My bag is packed, so I'm good to go.
- Once the microphone is connected, we're good to go.
- The camera has a fresh battery and is good to go.
What changed
First versionThe camera is well to go after the battery change.
RevisionThe camera is good to go after the battery change.
Many learners know the rule that well goes with verbs, and go is a verb, so well to go looks correct. But the expression is fixed, and its words don't change. With good back, the phrase means 'ready' again.
Good at something is about skill: She's good at photography. Good to go is about being ready: The camera is good to go. Ready sounds neutral and suits a formal email; good to go is for conversation and messages.
Your turn
Keep the fixed expression for readiness: We're good to ___.
Show the answer
go — In the fixed phrase, the base form go follows to. Going doesn't fit.
A friend asks if you can leave for the airport now. Say you're packed and ready in one sentence with good to go.
I've got my passport and tickets, so I'm good to go.
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