harsh (taste, feeling, etc.); acrid; pungent; astringent
sharp (language, question, etc.); biting; harsh
nasty; gross; disgusting; brutal
awesome; amazing; incredible; cool
この野菜はえぐい味がする。
This vegetable has a harsh taste.
山菜のアクが残っていて、味がえぐかった。
The bitterness of the wild vegetables remained, and the taste was harsh.
しっかり灰汁を抜けば、そこまでえぐくない。
If you remove the bitterness properly, it is not that harsh.