Keep up
Keep up verb - To remain indefinitely in existence or in the same state.
Usage example: let's hope this beautiful weather keeps up for the rest of our vacation
Perdure
Perdure verb - To remain indefinitely in existence or in the same state.
Usage example: in so many ways, the influence and legacy of the Roman empire perdures to this very day
Mutual synonyms
Cite this Source
Perdure and Keep up. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/keep_up/perdure
Keep up & Perdure. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/keep_up/perdure>.
Perdure or Keep up. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/keep_up/perdure.
Google Ngram Viewer shows how "keep up" and "perdure" have occurred on timeline