mentally

adverb

men·​tal·​ly ˈmen-tᵊl-ē 

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

Pegula says the key to keeping things fresh is maintaining her love of the game by continuing to improve and experiment with new ideas, a process that keeps her engaged mentally and eager to compete. —Douglas Robson, Los Angeles Times, 11 Mar. 2026

Ask Scarlett Johansson, who is mentally on a dreamy beach in the middle of June. —Christina Perrier, InStyle, 10 Mar. 2026

And those things really help me mentally, physically, and spiritually. —Meredith Lepore, Travel + Leisure, 10 Mar. 2026

The former soldier also said Haitian police mentally and physically tortured the Colombian suspects after they were taken into custody. —Jacqueline Charles, Miami Herald, 9 Mar. 2026

Word History

First Known Use

15th century, in the meaning defined at sense 1

Rhymes for mentally

• accidentally
• detrimentally
• fundamentally
• governmentally
• incidentally
• incrementally
• instrumentally
• sentimentally
• temperamentally
• coincidentally
• environmentally
• experimentally