frontal lobe

noun

: the anterior division of each cerebral hemisphere

Examples of frontal lobe 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 left frontal lobe controls expression and language, which has impacted the star’s ability to speak in recent weeks. — Joey Nolfi, Entertainment Weekly, 2 Sep. 2026 Phineas Gage, an American railroad construction foreman, suffered a traumatic brain injury when an iron rod was driven through his head, destroying much of his brain’s left frontal lobe. — USA Today, 1 Sep. 2026 Now, either my frontal lobe has finally developed, or society has caught on that the slouchy, boyfriend-style uniform isn’t exactly the most flattering. — Julia Morlino, Travel + Leisure, 28 Aug. 2026 In some diseases such as frontal lobe dementia, which damages executive function instead of memory, tangles can accumulate without the presence of amyloid. — Sandee Lamotte, CNN Money, 15 July 2026 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

Rhymes for frontal lobe

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Browse Nearby Words

frontality
frontal lobe
frontal nasal spine
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Cite this Entry

“Frontal lobe.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/frontal%20lobe. Accessed 5 Sep. 2026.

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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

More from Merriam-Webster on frontal lobe

Britannica.com: Encyclopedia article about frontal lobe

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