väkevä
katkera, pisteliäs
kitkerä
Sharp and harsh, or bitter and not to the taste.
(syn)
(ant)
(ux)
{{quote-journal|en|date=2013-06-29|volume=407|issue=8842|page=29|magazine=The Economist
Causing heat and irritation.
Caustic; bitter; bitterly irritating.
{{quote-web