Undependable and Unpredictable

Undependable

Undependable adjective - Not worthy of reliance or trust.

Unpredictable and undependable are semantically related in irresponsible topic. In some cases you can use "Unpredictable" instead an adjective "Undependable".

Unpredictable

Unpredictable adjective - Likely to change frequently, suddenly, or unexpectedly.
Usage example: unpredictable spring weather that makes it really hard to know what to wear

Undependable and unpredictable are semantically related in erratic topic. You can use "Undependable" instead an adjective "Unpredictable".

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