Definition of seriousness in English:

seriousness

noun

mass noun
  • The quality or state of being serious.

    ‘we are aware of the seriousness of the situation’
    ‘she replied with deadly seriousness’
    • ‘Calls are supposed to be dealt with by nurses who assess the seriousness of cases before advising callers what to do.’
    • ‘Despite the seriousness of the problems, surgeons were confident the operation had gone well.’
    • ‘At first the idea seems cold and distant, perhaps robbing death of its seriousness.’
    • ‘This action marks the change to a new seriousness on both sides of the struggle.’
    • ‘Victims and campaign groups believe the crime has not been treated with sufficient seriousness.’
    solemnity, solemnness, earnestness, graveness, gravity, gravitas, soberness, sobriety, sombreness, sternness, grimness, dourness, humourlessness
    importance, significance, consequence, momentousness, moment, weightiness, weight
    severity, severeness, gravity, graveness, acuteness, grievousness, extremity, danger, dangerousness, perilousness
    earnestness, sincerity, wholeheartedness, genuineness
    View synonyms

Phrases

  • in all seriousness

    • Very seriously; not as a joke.

      ‘I ask this question in all seriousness’
      • ‘Victory, however, was not, in all seriousness, an option.’
      • ‘I ask you in all seriousness to reconsider your ruling.’
      • ‘In all seriousness, I'm loving the other guest bloggers.’
      • ‘In all seriousness, however, he said he always dreamed of becoming a famous artist.’
      • ‘I am, in all seriousness, tired of being a grown up.’
      • ‘In all seriousness, talking is the new sex.’
      • ‘I must ask you, in all seriousness, to stop this business.’
      • ‘In all seriousness, this is a real problem.’
      • ‘He believes in all seriousness that within five years he will be able to graft wings on to a human being's body.’
      • ‘In all seriousness, he asks a great question.’

Pronunciation

seriousness

/ˈsɪərɪəsnəs/