must (EN)
sögn, Nafnorð

sögn “must”

must
  1. verða að
    You must wear a helmet to ride the bike safely.
  2. hljóta að
    She must know the answer, she studied all night.

Nafnorð “must”

sg. must, pl. musts
  1. nauðsyn (í merkingunni eitthvað sem er algjörlega nauðsynlegt)
    For a successful cake, precise measurements are a must.