On edge
Unpredictable and on edge are semantically related. In some cases you can use "Unpredictable" instead an adjective phrase "On edge".
Unpredictable
Unpredictable adjective - Likely to change frequently, suddenly, or unexpectedly.
On edge and unpredictable are semantically related. Sometimes you can use "On edge" instead an adjective "Unpredictable".
Nearby Word: unpredictability
Cite this Source
Unpredictable and On edge. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/on_edge/unpredictable
On edge & Unpredictable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/on_edge/unpredictable>.
Unpredictable or On edge. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/on_edge/unpredictable.
Google Ngram Viewer shows how "on edge" and "unpredictable" have occurred on timeline