nýju

In a sentence

• Ég keypti nýju bókina í gær.

  I bought the new book yesterday.

  Here, "nýju" is used as an adjective in the accusative singular definite form to describe the feminine noun "bókina" (the book), indicating 'the new book'.

• Við fengum nýju kennarana í heimsókn.

  We had the new teachers visit us.

  In this sentence, "nýju" appears as an adjective in the accusative plural definite form modifying the masculine noun "kennarana" (the teachers), meaning 'the new teachers'.

• Hann er ekki að tala um nýju hlutina.

  He is not talking about the new things.

  Here, "nýju" is again an adjective, this time in the accusative plural definite form, describing the neuter noun "hlutina" (the things) as 'the new things'.