Think upon
Worry and think upon are semantically related. in agonize over topic. In some cases you can use "Worry" instead a verb "Think upon".
Worry
Worry verb - To experience concern or anxiety.
Cite this Source
Worry and Think upon. (2016). Retrieved 2026, July 22, from https://thesaurus.plus/related/think_upon/worry
Think upon & Worry. N.p., 2016. Web. 22 Jul. 2026. <https://thesaurus.plus/related/think_upon/worry>.
Worry or Think upon. 2016. Accessed July 22, 2026. https://thesaurus.plus/related/think_upon/worry.
Google Ngram Viewer shows how "think upon" and "worry" have occurred on timeline