What synonym for harsh?

Here are some synonyms for "harsh" depending on the context:

Severity:

* Cruel

* Brutal

* Severe

* Rigorous

* Unforgiving

* Ruthless

Roughness:

* Rough

* Coarse

* Abrasive

* Gritty

* Jagged

Unpleasantness:

* Unpleasant

* Unkind

* Bitter

* Sharp

* Acerbic

* Caustic

Sound:

* Strident

* Grating

* Shrill

* Discordant

Appearance:

* Stark

* Bleak

* Desolate

To choose the best synonym, consider the specific meaning of "harsh" in your context.