Bolster up
Bolster up verb - Support and strengthen.
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Synonyms for Bolster up
Stiffen and bolster up are semantically related. In some cases you can use "Stiffen" instead a verb "Bolster up".
Stiffen
Stiffen verb - To make more harsh, uncompromising, or severe.
Bolster up and stiffen are semantically related. Sometimes you can use "Bolster up" instead a verb "Stiffen".
Mutual synonyms
Related pairs
Cite this Source
Stiffen and Bolster up. (2016). Retrieved 2026, July 29, from https://thesaurus.plus/related/bolster_up/stiffen
Bolster up & Stiffen. N.p., 2016. Web. 29 Jul. 2026. <https://thesaurus.plus/related/bolster_up/stiffen>.
Stiffen or Bolster up. 2016. Accessed July 29, 2026. https://thesaurus.plus/related/bolster_up/stiffen.
Google Ngram Viewer shows how "bolster up" and "stiffen" have occurred on timeline