1.
If you take something back , you return it to the place where you bought it or where you borrowed it from, because it is unsuitable or broken, or because you have finished with it.
If I buy something and he doesn’t like it I’ll take it back...
I once took back a pair of shoes that fell apart after a week.
PHRASAL VERB : V n P , V P n (not pron)
2.
If you take something back , you admit that something that you said or thought is wrong.
I take it back, I think perhaps I am an extrovert...
Take back what you said about Jeremy!
PHRASAL VERB : V n P , V P n (not pron)
3.
If you take someone back , you allow them to come home again, after they have gone away because of a quarrel or other problem.
Why did she take him back?...
The government has agreed to take back those people who are considered economic rather than political refugees.
PHRASAL VERB : V n P , V P n (not pron)
4.
If you say that something takes you back , you mean that it reminds you of a period of your past life and makes you think about it again.
I enjoyed experimenting with colours–it took me back to being five years old...
This takes me back.
PHRASAL VERB : V n P to n / -ing , V n P