superfirm

adjective
su·​per·​firm | \ ˌsü-pər-ˈfərm How to pronounce superfirm (audio) \

Definition of superfirm

: extremely firm superfirm mattresses

First Known Use of superfirm

1928, in the meaning defined above

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Time Traveler for superfirm

Time Traveler

The first known use of superfirm was in 1928

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Dictionary Entries Near superfirm

superfinish

superfirm

superfix

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Cite this Entry

“Superfirm.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/superfirm. Accessed 4 Jul. 2022.

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