frontal lobe

noun

: the anterior division of each cerebral hemisphere

Examples of frontal lobe in a Sentence

Recent Examples on the Web
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Instead, there was activation in areas of the frontal lobe that were typically activated in situations of cognitive effort or dissonance. Larissa MacFarquhar, New Yorker, 27 Oct. 2025 Removing portions of the tumor also required the removal of some of Eddie's frontal lobe. Meredith Wilshere, PEOPLE, 20 Sep. 2025 Researchers also highlight the role of brain processes, such as the frontal lobe’s ability to organize and justify events in how secrecy is rationalized and maintained. Mark Travers, Forbes.com, 11 Sep. 2025 The diagnosis of frontotemporal dementia, a brain disorder caused by degeneration of the brain's frontal lobe, comes nearly a year after Willis' family confirmed the movie icon, now 67, was stepping away from acting due to an aphasia diagnosis. Edward Segarra, USA Today, 28 Aug. 2025 See All Example Sentences for frontal lobe

Word History

First Known Use

1827, in the meaning defined above

Time Traveler
The first known use of frontal lobe was in 1827

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Cite this Entry

“Frontal lobe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/frontal%20lobe. Accessed 12 Nov. 2025.

Medical Definition

frontal lobe

noun
: the anterior division of each cerebral hemisphere having its lower part in the anterior fossa of the skull and bordered behind by the central sulcus

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