keenness

Definitions

The quality of being sharp, cutting, or piercing.

A high degree of intellectual sharpness or mental acuity.

An intense or enthusiastic interest in something.

Examples

Her keenness for learning new languages allowed her to become fluent in just a few months.

The detective's keenness of observation helped him notice the tiny detail that solved the case.

There was a palpable keenness among the students to start the science experiment.

Synonyms

eagerness enthusiasm sharpness acuteness intensity fervor avidity

Antonyms

apathy indifference dullness lethargy unconcern bluntness disinterest