I know "up to date" should be hyphenated when it's used as "up-to-date information" and the like, but when you're stating something like "Stay up to date with what's new," should it be hyphenated in that context?


The OED I have suggests that 'up to date' be without hyphens when it is used as an adverb, but be 'up-to-date' with hyphens when used as an adjective. Also 'up-dately', 'up-to-datish', 'up-to-dateness' and 'up-to-datism'.

Hope it heps

Hello Peachy

I myself would follow your example in both cases:

1. 'Up-to-date information' – used as an adjective before a noun: hyphenated.
2. 'Stay up to date!' – elsewhere: not hyphenated.

Others may differ.

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I'm sorry, Paco, I didn't see you'd already answered the question!