Antonyms of noun youngness

1 sense of youngness

Sense 1
youngness -- (the opposite of oldness)
       Antonym of oldness (Sense 1)
      => oldness -- (the opposite of youngness)

Synonyms/Hypernyms (Ordered by Estimated Frequency) of noun youngness

1 sense of youngness

Sense 1
youngness -- (the opposite of oldness)
       => age -- (how long something has existed; "it was replaced because of its age")