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

City will have one eye on clinching the FA Cup trophy for the third time in eight years, while Arsenal’s Champions League semi-final clashes with Atletico Madrid will take plenty out of them physically and mentally. —Mark Carey, New York Times, 25 Apr. 2026

Jacas specifically highlighted the players’ buy-in and how the staff challenged him physically and mentally during his time in the facility. —Andrew Callahan, Boston Herald, 25 Apr. 2026

After finishing the Cape Town marathon in under five hours — which was part of her broader aim to keep each race under that mark — Khare had to prepare herself mentally to run again, but this time, on ice. —Tereza Shkurtaj, PEOPLE, 25 Apr. 2026

Talladega is always challenging for drivers, according to Harris, both physically and mentally. —Asher Redd, FOXNews.com, 25 Apr. 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