semiterrestrial

adjective

semi·​ter·​res·​tri·​al ˌse-mē-tə-ˈre-strē-əl How to pronounce semiterrestrial (audio)
ˌse-ˌmī-, 
-mi-, 
-ˈres-chəl, 
-ˈresh-
1
: growing on boggy ground
2
: frequenting but not living wholly on land

Examples of semiterrestrial in a Sentence

Recent Examples on the Web
Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
The researchers found 902 genes in 22 gene families that the two semiterrestrial algae and land plants shared but that other algae lacked. — Elizabeth Pennisi, Science | AAAS, 14 Nov. 2019

Word History

First Known Use

1919, in the meaning defined at sense 1

Time Traveler
The first known use of semiterrestrial was in 1919

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Cite this Entry

“Semiterrestrial.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/semiterrestrial. Accessed 9 Oct. 2026.

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