Collapse
Collapse verb - To be unsuccessful.
Usage example: the legal case collapsed in the face of the opposition's evidence
Decline is a synonym for collapse in reduction topic. In some cases you can use "Decline" instead the word "Collapse" as a noun or a verb, when it comes to topics like sink, falling, nervous breakdown.
Decline
Decline noun - A loss of status.
Usage example: the engagement at the small club was an unmistakable sign of the rock band's decline
Collapse is a synonym for decline in sink topic. Sometimes you can use "Collapse" instead the word "Decline" as a verb or a noun, if it concerns topics such as deteriorate, falling, nervous breakdown.
Mutual synonyms
How words are described
| physical | physical collapse | physical decline |
| mass | mass collapse | mass decline |
| massive | massive collapse | massive decline |
| great | great collapse | great decline |
| Other adjectives: slow, social, gradual, moral, continuing, major, immediate, mental, terminal, general, political, final, further, inevitable, subsequent, eventual, swift, rapid, recent, sudden, resulting, economic, financial, ongoing, technological. | ||
Common collocations
Both words in one sentence
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Central Theme: Per Word of God, the decline and collapse of civilizations is one of the central themes of the books, which at least one character seeks to achieve in order to save the world.
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The funny part is that the story, including the ones written back in the seventies, repeatedly refers to the Sov as being in decline and on the brink of collapse.
Source: The Great Politics Mess-Up - Of course most of that was done before the Horus Heresy and while it never quite stops the Imperium has also spent ten thousand years in decline awaiting a final collapse.
Source: The War of Earthly Aggression
Cite this Source
Decline and Collapse. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/collapse/decline
Collapse & Decline. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/collapse/decline>.
Decline or Collapse. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/collapse/decline.
Google Ngram Viewer shows how "collapse" and "decline" have occurred on timeline