There is no word that has exactly the same meaning as another.

[GoldfishLord]

There is no word that has exactly the same meaning as another.

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Is the sentence above natural and idiomatic?
If not, how should I correct it?

 

[probus]

To me your sentence is both correct and natural. I'm not quite sure, however, that the opinion it expresses is factually correct. Think, for example, of two adverbs such as very and highly.

1. That is very unlikely.
2. That is highly unlikely.

It seems very difficult to find even a slight difference in meaning between 1 and 2.

 

[Rover_KE]

Where did you find that sentence, GoldfishLord?

 

[GoldfishLord]

I made it up.

 

[Tarheel]

@GoldfishLord I would say there aren't any two words that have the same meaning. (But I wouldn't say that.)