Keep up and Lengthen

Keep up

Keep up verb - To continue to operate or to meet one's needs.

Lengthen and keep up are semantically related. In some cases you can use "Lengthen" instead a verb "Keep up".

Lengthen

Lengthen verb - To make longer.

Keep up and lengthen are semantically related. Sometimes you can use "Keep up" instead a verb "Lengthen".

Nearby Words: length, lengthy, lengthening
Cite this Source
Lengthen and Keep up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/keep_up/lengthen
Keep up & Lengthen. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/keep_up/lengthen>.
Lengthen or Keep up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/keep_up/lengthen.
Google Ngram Viewer shows how "keep up" and "lengthen" have occurred on timeline