To take back is to return a purchase to the shop, or to unsay hurtful words. Take back the shirt, take back what you said, I take back nothing.
The two senses share the idea of undoing something you did. There is a third and gentler use, since a smell or a song can take back a whole decade for the person who hears it.
1phrasetake backTo return a purchase to the shop; also, to unsay hurtful words.
“You should take back the jacket while you still have the receipt.”
take back is a phrase.
Practised in Phrasal Verbs