Break
Break verb - To bring (as an action or operation) to an immediate end.
Usage example: the final vote broke the deadlock
Keep up
Keep up verb - To continue to operate or to meet one's needs.
Usage example: let's hope that old air conditioner keeps up through this heat wave
Both terms in one sentence
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Unfortunately this was one of the factors leading to their break-up, as Riley's lack of superpowers meant he couldn't keep up with Buffy in a fight.
Source: Battle Couple -
During a battle between Lobo and his daughter, they slash each other up so badly their regenerative powers can't keep up, so they take a break to stitch themselves up.
Source: Self-Surgery -
In the premiere, Gwen is cleverly (she thinks) infiltrating the Hub as a pizza delivery person, only to have the group unable to keep up the charade that she's fooling them and break out laughing.
Source: Everybody Knew Already
Cite this Source
Keep up and Break. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/break/keep_up
Break & Keep up. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/break/keep_up>.
Keep up or Break. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/break/keep_up.
Google Ngram Viewer shows how "break" and "keep up" have occurred on timeline