Prop up
Prop up verb - To hold up or serve as a foundation for.
Usage example: these beams are propping up the entire roof
Support is a synonym for prop up in strengthen topic. In some cases you can use "Support" instead the word "Prop up" as a verb or a noun.
Support
Support verb - To promote the interests or cause of.
Usage example: though childless themselves, they support the local schools both by volunteering and by fiercely opposing funding cuts
Mutual synonyms
Both terms in one sentence
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One of the first states to break with this policy was Sweden, which withdrew its support after a groundswell of protest from Swedish voters angry that its elected representatives were helping to prop up Pol Pot's zombie.
Source: Useful Notes / Cambodia
Cite this Source
Support and Prop up. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/prop_up/support
Prop up & Support. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/prop_up/support>.
Support or Prop up. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/prop_up/support.
Google Ngram Viewer shows how "prop up" and "support" have occurred on timeline