But then
conjunction
Used to introduce a phrase or clause contrasting with what has already been mentioned.
She said she'd help me, but then she forgot.

Often appears as...
- but then again
- but then i
conjunction
Used to indicate something that happens after a previous action.
He opened the door, but then the alarm started.

Often appears as...
- but then suddenly
- but then unexpectedly
conjunction
Used to introduce a phrase or clause contrasting with what has already been mentioned.
She said she'd help me, but then she forgot.

Often appears as...
- but then again
- but then i
conjunction
Used to indicate something that happens after a previous action.
He opened the door, but then the alarm started.

Often appears as...
- but then suddenly
- but then unexpectedly
Definition 1 of 2

Surprising Turn
Use 'but then' to show an unexpected or surprising change in the situation.

I thought it would rain, but then the sun came out.
Contrasting Ideas
'But then' can be used to contrast ideas, suggesting a rethink or second thought.

I wanted to stay home, but then I considered the fun at the party.
Changing Mind
It often signals a change in the speaker's opinion or decision.

I planned to cook dinner, but then we decided to order pizza.
Surprising Turn
Use 'but then' to show an unexpected or surprising change in the situation.

I thought it would rain, but then the sun came out.
Contrasting Ideas
'But then' can be used to contrast ideas, suggesting a rethink or second thought.

I wanted to stay home, but then I considered the fun at the party.
Changing Mind
It often signals a change in the speaker's opinion or decision.

I planned to cook dinner, but then we decided to order pizza.
Surprising Turn
Use 'but then' to show an unexpected or surprising change in the situation.

I thought it would rain, but then the sun came out.
Contrasting Ideas
'But then' can be used to contrast ideas, suggesting a rethink or second thought.

I wanted to stay home, but then I considered the fun at the party.
Changing Mind
It often signals a change in the speaker's opinion or decision.

I planned to cook dinner, but then we decided to order pizza.
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