Key
Key adjective - Coming before all others in importance.
Structural and key are semantically related. In some cases you can use "Structural" instead an adjective "Key".
Structural
Structural adjective - Relating to or having or characterized by structure.
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Synonyms for Structural
Key and structural are semantically related. Sometimes you can use "Key" instead an adjective "Structural".
Mutual synonyms
Related pairs
Both words in one sentence
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The rifle never saw much use due to being very expensive and complicated to build, and being prone to failure in the field due to its finicky nature and certain key structural defects.
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The house stayed intact after being lifted up, despite being separated from its key structural support — the foundation.
Source: Western Animation / Up
Cite this Source
Structural and Key. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/key/structural
Key & Structural. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/key/structural>.
Structural or Key. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/key/structural.
Google Ngram Viewer shows how "key" and "structural" have occurred on timeline