Be undecided
Vary and be undecided are semantically related. in vacillate topic. In some cases you can use "Vary" instead a verb phrase "Be undecided".
Vary
Vary verb - To be unlike; to not be the same.
Mutual synonyms
Cite this Source
Vary and Be undecided. (2016). Retrieved 2026, July 28, from https://thesaurus.plus/related/be_undecided/vary
Be undecided & Vary. N.p., 2016. Web. 28 Jul. 2026. <https://thesaurus.plus/related/be_undecided/vary>.
Vary or Be undecided. 2016. Accessed July 28, 2026. https://thesaurus.plus/related/be_undecided/vary.
Google Ngram Viewer shows how "be undecided" and "vary" have occurred on timeline