American Dictionary

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Definition mental in American English

mental adjective

adjective
/ˈment(ə)l/
1

existing in the mind

Example

It is clear that mental activity does not stop when we're asleep.

Example

I had a complete mental picture of the building I wanted to create.

Synonyms and related words
1.1

relating to the mind

Example

mental agility/development

Synonyms and related words
1.2

relating to the health of the mind, or illnesses of the mind

Example

mental health problems

Example

He suffered a complete mental collapse.

Synonyms and related words
2

mentally ill

Synonyms and related words
2.1

crazy or stupid

Synonyms and related words
Definition mental in American English