unerlässlich
Translation
essential, indispensable, vital
Examples
Gute Kommunikation ist unerlässlich für den Erfolg.
Good communication is essential for success.
Seine Hilfe war für das Projekt unerlässlich.
His help was indispensable for the project.
Grammar Patterns
to be unerlässlich ((für+4)) to be essential for sth. Good planning is unerlässlich for the project.
Similar Words
Synonyms: notwendig, unentbehrlich, wesentlich; Antonyms: entbehrlich, überflüssig
Etymology
From un- (not) + erlassen (to remit, waive) + -lich (adjective suffix). Literally means "not waivable".
Memory Tips
Think of a rule or decree (Erlass) that you can't get out of (un-). It's essential to follow it.