In decline
Stagnant and in decline are semantically related. In some cases you can use "Stagnant" instead an adjective phrase "In decline".
Stagnant
Stagnant adjective - Not growing or changing; without force or vitality.
In decline and stagnant are semantically related. Sometimes you can use "In decline" instead an adjective "Stagnant".
Mutual synonyms
Both terms in one sentence
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But in general, any technological progress the Imperium makes happens very slowly, and for the most part its tech level is either stagnant or in decline.
Source: Low Culture, High Tech -
It was also thought that passenger numbers were in decline or would remain stagnant at best.
Source: Useful Notes / National Rail -
Over time, the portrayal of Time Lords changed into that of a stagnant society in decline, who had largely forgotten much of their former power and morality.
Source: Badass Decay
Cite this Source
Stagnant and In decline. (2016). Retrieved 2026, August 03, from https://thesaurus.plus/related/in_decline/stagnant
In decline & Stagnant. N.p., 2016. Web. 03 Aug. 2026. <https://thesaurus.plus/related/in_decline/stagnant>.
Stagnant or In decline. 2016. Accessed August 03, 2026. https://thesaurus.plus/related/in_decline/stagnant.
Google Ngram Viewer shows how "in decline" and "stagnant" have occurred on timeline