Acuity vs. acumen

What does acuity mean?

Acuity is a noun meaning sharpness of thought, vision or hearing.

For example:

·      It is not advised to work while tired as this can impact your intellectual acuity.

What does acumen mean?

Acumen is a noun which refers to mental prowess, such as the ability to make good judgement and make quick decisions.

For example:

·      She is known for her financial acumen. 

What’s the difference between acuity and acumen?

Acuity means sharpness of thought, vision or hearing while acumen refers to mental prowess.

For example:

·      Betty the dog showed great acumen and visual acuity when she stole the treats from her owner.