adjective
harsh
HARSH/hɑːrʃ/
Severely rough and unpleasant to experience.
The harsh shower spray makes the man wince and raise a protective hand.

Etymology
Harsh probably comes from Middle English harske, meaning “rough, coarse, sour.” Originally describing hairy texture, it extended physical unpleasantness to things that offend the feelings and to disagreeable or rude behavior.
In context
you kind of cooked it. You generated a bunch of new tastes in the liquid and yeah, it's gonna taste harsh, bitter, and unpleasant.
More examples
- A harsh scraping noise comes from the old fan.
- Few plants survive the harsh winters on this mountain.
- His harsh criticism leaves her afraid to try again.
Forms
harsh · harsher · harshest
harshness noun — The quality of being rough or severe.
harshly adverb — In an unpleasantly rough or severe way.