erforderlich
Translation
necessary, required, requisite
Examples
Eine schnelle Antwort ist erforderlich.
A quick answer is required.
Bitte füllen Sie die erforderlichen Felder aus.
Please fill in the required fields.
Grammar Patterns
((sth.)) is required ((for sth.)) A visa is required for the trip.
Similar Words
Synonyms: nötig, notwendig; Antonyms: unnötig, überflüssig
Etymology
From the prefix 'er-' (indicating achievement) + the verb 'fordern' (to demand). It means 'that which is demanded'.
Memory Tips
Think of 'er-fordern-lich'. 'Fordern' is like 'to forward' a demand. So, 'erforderlich' is what is demanded or required.