Use of 'coy'

[Daemon99]

Can some one please tell me how often is the word 'coy' used in spoken English?

For example, can I say, "She is acting a little coy today"
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Non-native speaker of English
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I intend to live forever - so far, so good.

[Mister Micawber]

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Yes, you can say that.
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Native English teacher at Mister Micawber's

[Yankee]

Hi daemon

I'm not sure how you expect us to quantify the usage of 'coy'. However, I can tell you that the word is used in both spoken and written English. I don't consider it to be an uncommon word, however I doubt that it would appear in a list of the 1000 most commonly used words in English.

How's that?
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[Daemon99]