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

Wallstedt, 23, got one start last season but is officially a rookie, and has put together a notable first full season after admitting to struggling mentally and physically a year ago while playing for the Iowa Wild in the AHL. —Jess Myers, Twin Cities, 12 Apr. 2026

Diversion program 8 years old California’s mental health diversion program was enacted in 2018 under the argument that jailing the mentally ill only makes their condition worse and does not prevent them from committing more crimes upon their release. —Tony Saavedra, Oc Register, 12 Apr. 2026

My query is does this sound like a man who is mentally stable? —Voice Of The People, New York Daily News, 11 Apr. 2026

Enjoy reading or mentally stimulating puzzles. —Georgia Nicols, Denver Post, 10 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