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
Expand is a synonym for boost in increase topic. In some cases you can use "Expand" instead a verb "Boost", when it comes to topics like promote, quantity, augment, accelerate.
Expand
Expand verb - To make greater in size, amount, or number.
Usage example: we had to expand the list of wedding guests several times in order to accommodate all the relatives Mother wouldn't dream of excluding
Boost is a synonym for expand in increase topic. You can use "Boost" instead a verb "Expand", if it concerns topics such as promote, quantity, open, augment.
Mutual synonyms
Common collocations
Both words in one sentence
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Upon the initial boost in fusion, the star would expand, slowing down the fusion reaction.
Source: Star Killing - In Transylvania 6-5000, town officials frantically attempt to get rid of the local monsters so they can boost revenues from festivals and expand the tourist trade.
Source: Attack of the Town Festival -
Brandon: Has innate understanding of machines by touch and portal creation, his understanding of machines allows him to create objects that can boost his own power of portal creation or expand the range of other's powers.
Source: Combo Platter Powers
Cite this Source
Expand and Boost. (2016). Retrieved 2026, August 15, from https://thesaurus.plus/related/boost/expand
Boost & Expand. N.p., 2016. Web. 15 Aug. 2026. <https://thesaurus.plus/related/boost/expand>.
Expand or Boost. 2016. Accessed August 15, 2026. https://thesaurus.plus/related/boost/expand.
Google Ngram Viewer shows how "boost" and "expand" have occurred on timeline