mentally

adverb

men·​tal·​ly ˈmen-tᵊl-ē How to pronounce mentally (audio)
1
: in the mind
Mentally he promised himself that he would never again use a collar on any living creature.Brian Jacques
: using the mind
able to mentally calculate large sums
2
: with regard to the mind or its capacity
physically and mentally healthy people
a mentally competent adult
a mentally challenging activity
… if you try to hide the fact that you feel mentally inadequate, and so go around making jokes about your own dullness and acting as if it didn't bother you at all …David Foster Wallace
I felt too hungry and tired and mentally overloaded to ask any more questions.Rick Riordan

Examples of mentally in a Sentence

Recent Examples on the Web
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This has taken a toll on me mentally. R. Eric Thomas, Mercury News, 7 June 2026 The players have even more of an edge mentally, according to Bell. Andrew McNicol, CNN Money, 7 June 2026 That tendency to mentally replay problems, interactions, and frustrations is far more common in workplaces than many people realize. Dr. Diane Hamilton, Forbes.com, 6 June 2026 More broadly, managing these environments is rarely an individual task, but a collective one involving coaching, medical, performance, nutrition, and logistics staff working together behind the scenes to keep players physically and mentally ready throughout the tournament. Alan McCall, New York Times, 5 June 2026 See All Example Sentences for mentally

Word History

First Known Use

15th century, in the meaning defined at sense 1

Time Traveler
The first known use of mentally was in the 15th century

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Cite this Entry

“Mentally.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/mentally. Accessed 13 Jun. 2026.

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