Boost
Boost verb - To make greater in size, amount, or number.
Usage example: a promotion that boosted the number of interested customers milling about the showroom
Extend is a synonym for boost in increase topic. In some cases you can use "Extend" instead a verb "Boost", when it comes to topics like quantity.
Mutual synonyms
Common collocations
Both words in one sentence
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Aggression boost (red) are the classic Burnout boosts that extend with takedowns, but they only go up to three this time, not four.
Source: Video Game / Burnout Paradise -
Monster Hunter had an extensive list of power-ups the player could brew to temporarily boost his stats, have infinite stamina, or even extend the length of his or her health meter.
Source: Quad Damage - Activation would cause KITT to extend various spoilers and other aerodynamic aids and boost his top speed.
Source: Transforming Vehicle
Cite this Source
Extend and Boost. (2016). Retrieved 2026, August 13, from https://thesaurus.plus/related/boost/extend
Boost & Extend. N.p., 2016. Web. 13 Aug. 2026. <https://thesaurus.plus/related/boost/extend>.
Extend or Boost. 2016. Accessed August 13, 2026. https://thesaurus.plus/related/boost/extend.
Google Ngram Viewer shows how "boost" and "extend" have occurred on timeline