English phrase from drama scenes

What Does "i must say" Mean?

Learn what "i must say" means, when people say it, and how to use it naturally in English.

Advanced
Neutral
Firm
Express Doubt

I must say I had my doubts but this is inconceivable.

It means the speaker thinks the situation is almost impossible to believe.

From Married To A Stranger, Episode 38

When do people say this?

Scene Context

Someone reacts with strong disbelief after admitting they had doubts before.

Usage Scenario

Use this to react to something shocking or unbelievable. It sounds formal and dramatic, so it is not very casual.

Better ways to say it

1
This is inconceivable.
2
I had my doubts, but this is inconceivable.
3
I can't believe this.

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