Definition of sternness in English:

sternness

noun

  • See stern

    • ‘Ellie looked up, surprised at her mother's sudden sternness.’
    • ‘In a field rooted in moral concern, there is a long tradition of solemnity and sternness.’
    • ‘‘Felicity,’ he said, trying to force an aspect of sternness in his quivering voice.’
    • ‘‘Get out of here,’ she'll warn with a phony sternness.’
    • ‘Part of this was due to the sternness of the Captain.’

Pronunciation

sternness

/ˈstəːnnəs/