Not reliable
Weak and not reliable are semantically related. In some cases you can use "Weak" instead an adjective phrase "Not reliable".
Weak
Weak adjective - Lacking bodily strength.
Not reliable and weak are semantically related. Sometimes you can use "Not reliable" instead an adjective "Weak".
Mutual synonyms
Cite this Source
Weak and Not reliable. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/not_reliable/weak
Not reliable & Weak. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/not_reliable/weak>.
Weak or Not reliable. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/not_reliable/weak.
Google Ngram Viewer shows how "not reliable" and "weak" have occurred on timeline