Unresistant
Unresistant adjective - Lacking protection from danger or resistance against attack.
Usage example: a weakened immune system that rendered him unresistant to pneumonia
Weak and unresistant are semantically related. In some cases you can use "Weak" instead an adjective "Unresistant".
Weak
Weak adjective - Lacking bodily strength.
Usage example: the little boy was simply too weak to lift the box
Unresistant and weak are semantically related. Sometimes you can use "Unresistant" instead an adjective "Weak".
Mutual synonyms
Cite this Source
Weak and Unresistant. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/unresistant/weak
Unresistant & Weak. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/unresistant/weak>.
Weak or Unresistant. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/unresistant/weak.
Google Ngram Viewer shows how "unresistant" and "weak" have occurred on timeline