Fitful and Unstable

Fitful

Fitful adjective - Lacking in steadiness or regularity of occurrence.
Usage example: a night of fitful sleep did not leave me feeling well rested the next morning

Unstable is a synonym for fitful in irregular topic. In some cases you can use "Unstable" instead an adjective "Fitful".

Nearby Words: fitly, fitfully

Unstable

Unstable adjective - Not being in or able to maintain a state of balance.

Fitful is a synonym for unstable in doubtful topic. You can use "Fitful" instead an adjective "Unstable", if it concerns topics such as changeable.

Nearby Word: unstably
Cite this Source
Unstable and Fitful. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/fitful/unstable
Fitful & Unstable. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/fitful/unstable>.
Unstable or Fitful. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/fitful/unstable.
Google Ngram Viewer shows how "fitful" and "unstable" have occurred on timeline