Unstable
Unstable adjective - Not being in or able to maintain a state of balance.
Weak in the knees and unstable are semantically related. In some cases you can use "Weak in the knees" instead an adjective "Unstable".
Nearby Word: unstably
Weak in the knees
Unstable and weak in the knees are semantically related. Sometimes you can use "Unstable" instead an adjective phrase "Weak in the knees".
Cite this Source
Weak in the knees and Unstable. (2016). Retrieved 2026, August 02, from https://thesaurus.plus/related/unstable/weak_in_the_knees
Unstable & Weak in the knees. N.p., 2016. Web. 02 Aug. 2026. <https://thesaurus.plus/related/unstable/weak_in_the_knees>.
Weak in the knees or Unstable. 2016. Accessed August 02, 2026. https://thesaurus.plus/related/unstable/weak_in_the_knees.
