Definition of Heighten

Verb: heighten hI-t(u)n

Become more extreme
"The tension heightened";
- rise
Make more extreme; raise in quantity, degree, or intensity
"heightened interest"
Add something extra to make more intense or better
"heighten the tension";
- enhance, raise, increase
Increase the height of
"The athletes kept jumping over the steadily heightened bars"
Make (one's senses) more acute
"This drug will heighten your vision";
- sharpen
Make more intense, stronger, or more marked
"Pot smokers claim it heightens their awareness";
- intensify, compound, deepen