slightly sour or acidic, not strongly so, often describing a mild tanginess
sauer, leicht sauer
extremely self-assertive in a way that annoys others
aufdringlich, arrogant
difficult to get along with and easily angered
mürrisch, reizbar
characterized by high quality, elegance, and extravagance
üppig, luxuriös
given to or marked by the consumption of alcohol
trinkfreudig, trinkend
sharing a common border or touching at some point
zusammenhängend, benachbart
talking a great deal, particularly about trivial things
geschwätzig, redselig
extremely evil or wicked, typically involving illegal or immoral actions
nefarious, bösartig
honorably retired from assigned duties and retaining your title along with the additional title `emeritus' as in `professor emeritus'
emeritiert, Emeritus
characterized by excessive ingratiation or flattery, often in a way that seems insincere or manipulative
schmeichlerisch, mollig
(of animals and plants) found and developed only in a particular place and not been brought from elsewhere
einheimisch, indigen
done or happening naturally, without any prior thought or planning
spontan, natürlich