Pay up and Pay back

Pay up

Pay up verb - To give what is owed for.

Pay back and pay up are semantically related in pay off topic. In some cases you can use "Pay back" instead a verb "Pay up".

Pay back

Pay back verb - Act or give recompense in recognition of someone's behavior or actions.

Pay up and pay back are semantically related in pay off topic. Sometimes you can use "Pay up" instead a verb "Pay back".
Cite this Source
Pay back and Pay up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/pay_up/pay_back
Pay up & Pay back. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/pay_up/pay_back>.
Pay back or Pay up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/pay_up/pay_back.
Google Ngram Viewer shows how "pay up" and "pay back" have occurred on timeline