Unpredictable and Unsound

Unpredictable

Unpredictable adjective - Likely to change frequently, suddenly, or unexpectedly.

Unsound and unpredictable are semantically related. In some cases you can use "Unsound" instead an adjective "Unpredictable".

Nearby Word: unpredictability

Unsound

Unsound adjective - Having or showing a very abnormal or sick state of mind.

Unpredictable and unsound are semantically related. Sometimes you can use "Unpredictable" instead an adjective "Unsound".

Nearby Words: unsounded, unsoundly
Cite this Source
Unsound and Unpredictable. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/unpredictable/unsound
Unpredictable & Unsound. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/unpredictable/unsound>.
Unsound or Unpredictable. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/unpredictable/unsound.
Google Ngram Viewer shows how "unpredictable" and "unsound" have occurred on timeline