Compact
Compact adjective - Having a consistency that does not easily yield to pressure.
Usage example: a mattress with a compact foam core
Thick is a synonym for compact in fat topic. In some cases you can use "Thick" instead the word "Compact" as an adjective or a noun, when it comes to topics like tighten, condensed, impervious, closely packed. popular alternative
Thick
Thick adjective - Having little space between items or parts.
Usage example: a hedge thick with gorse bushes
Compact is a synonym for thick in fat topic. You can use "Compact" instead the word "Thick" as an adjective or a noun, if it concerns topics such as tighten, deep, dense, crowded. popular alternative
Mutual synonyms
Both words in one sentence
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Fluffy managed to solve the first problem (its compact body allowed it to bolt on polycarbonate that was 16mm thick), but it infamously couldn't solve the second one.
Source: Series / Robot Wars -
It can range from "fairly difficult" to "really freakin' hard" to successfully compact and store long or thick hair in such a small space.
Source: Compressed Hair - By the late 90s, SanDisk had created another format, the Multimedia Card, to compete with the other offerings as Compact Flash wasn't as compact as the other formats; by then memory cards were about the size of a postage stamp and less than 2mm thick.
Source: Useful Notes / SD Card
Cite this Source
Thick and Compact. (2016). Retrieved 2026, July 21, from https://thesaurus.plus/related/compact/thick
Compact & Thick. N.p., 2016. Web. 21 Jul. 2026. <https://thesaurus.plus/related/compact/thick>.
Thick or Compact. 2016. Accessed July 21, 2026. https://thesaurus.plus/related/compact/thick.
Google Ngram Viewer shows how "compact" and "thick" have occurred on timeline