seriousness
(noun)
noun
1. an earnest and sincere feeling
Similar word(s): earnestness, sincerity
Definition categories: feeling, gravity, solemnity
2. the quality of arousing fear or distress
- he learned the seriousness of his illness
Similar word(s): distressfulness
Definition categories: attribute, badness, severeness, severity
3. the trait of being serious
- a lack of solemnity is not necessarily a lack of seriousness
Similar word(s): earnestness, sincerity