Instability
Instability noun - The quality or state of not being firmly fixed in position.
Weakness is a synonym for instability in imbalance topic. In some cases you can use "Weakness" instead a noun "Instability", when it comes to topics like uncertainty, unsoundness.
Nearby Word: instance
Weakness
Weakness noun - The quality or state of lacking physical strength or vigor.
Instability is a synonym for weakness in defect topic. You can use "Instability" instead a noun "Weakness".
Mutual synonyms
How words are described
| emotional | emotional instability | emotional weakness |
| physical | physical instability | physical weakness |
| low | low instability | low weakness |
| particular | particular instability | particular weakness |
| Other adjectives: similar, typical, natural, critical, obvious, severe, massive, large, extreme, great, serious, huge, potential, inherent, major, mental, psychological, general, possible, apparent, fatal, perceived, crippling. | ||
Both words in one sentence
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The ships became notorious for their instability and structural weakness (the ship's armor plates buckled and split when the guns were being test fired!), requiring massive refit to make them serviceable.
Source: Glass Cannon
Cite this Source
Weakness and Instability. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/instability/weakness
Instability & Weakness. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/instability/weakness>.
Weakness or Instability. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/instability/weakness.
Google Ngram Viewer shows how "instability" and "weakness" have occurred on timeline