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

The employee may remain physically present while mentally checking out. —Bybryan Robinson, Forbes.com, 12 June 2026

Being as present as possible, staying in every moment, is the best way to be mentally prepared for any situation that life throws at you. —Carter French, New York Times, 12 June 2026

The governing body has so crowded the playing calendar that many of the better players in the world come into the tournament mentally exhausted and physically gassed. —Luke Cyphers, Sportico.com, 11 June 2026

The new goal is to stay decisive, emotionally regulated, creative, and mentally quick in a world that seems to accelerate exponentially. —Melinda Fulmer, Robb Report, 11 June 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