Signifying vs Dignifying - What's the difference?

As verbs the difference between signifying and dignifying

is that signifying is present participle of lang=en while dignifying is present participle of dignify.

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* (c. 1603), Act V, Scene V:

Life's but a walking shadow, a poor player

that struts and frets his hour upon the stage

and then is heard no more: it is a tale

told by an idiot, full of sound and fury,

signifying nothing.

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