Think again
phrase
Used to tell someone to reconsider something.
If you think I'm going to go hiking in the rain, you need to think again.

Often appears as...
- need to think again
- better think again
Usage tips
Idiomatic
phrase
Instructing someone to come up with a new idea because their current one is wrong.
Your solution to this problem is incorrect, think again.

Often appears as...
- ideas
- solution
Usage tips
Disapproving
phrase
Used to tell someone to reconsider something.
If you think I'm going to go hiking in the rain, you need to think again.

Often appears as...
- need to think again
- better think again
Usage tips
Idiomatic
phrase
Instructing someone to come up with a new idea because their current one is wrong.
Your solution to this problem is incorrect, think again.

Often appears as...
- ideas
- solution
Usage tips
Disapproving
Definition 1 of 2

Encourage Reevaluation
Used to suggest someone rethink their opinion or plan, often because new information has come to light.

You're sure this is the fastest route? You might want to think again—there's been an accident on the highway.
Gentle Disagreement
A polite way to express that you disagree with someone, without being confrontational.

You say it's a waste of time? I think you should think again; it could be beneficial.
Indirect Refusal
Implies a 'no' without saying it directly, making it a softer way to decline.

If you're expecting me to lend you money again, think again.
Encourage Reevaluation
Used to suggest someone rethink their opinion or plan, often because new information has come to light.

You're sure this is the fastest route? You might want to think again—there's been an accident on the highway.
Gentle Disagreement
A polite way to express that you disagree with someone, without being confrontational.

You say it's a waste of time? I think you should think again; it could be beneficial.
Indirect Refusal
Implies a 'no' without saying it directly, making it a softer way to decline.

If you're expecting me to lend you money again, think again.
Encourage Reevaluation
Used to suggest someone rethink their opinion or plan, often because new information has come to light.

You're sure this is the fastest route? You might want to think again—there's been an accident on the highway.
Gentle Disagreement
A polite way to express that you disagree with someone, without being confrontational.

You say it's a waste of time? I think you should think again; it could be beneficial.
Indirect Refusal
Implies a 'no' without saying it directly, making it a softer way to decline.

If you're expecting me to lend you money again, think again.
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