"Out" is part of the adjective "worn-out". In this context, it has no meaning of its own. Worn-out means that something can't be used anymore because it has eroded and is now broken.
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Yong ChengThanks in advance."out" is part of the phrasal verb 'wear out'.
In this sentence, "It's warn out.", what's the meaning of "out"?
CalifJimit's warn out Do you mean, "It's warm out"? CJYou may have something there CJ! I read it as 'worn'.