seriousness

Plural: seriousnesses

Noun

• an earnest and sincere feeling
• the quality of arousing fear or distress
  • "he learned the seriousness of his illness"
• the trait of being serious; - Robert Rice
  • "a lack of solemnity is not necessarily a lack of seriousness"
• The state or quality of being serious.

Synonyms

distressfulness, earnestness, serious-mindedness, sincerity, seriosity

Antonyms

frivolity, jocularity, levity, unseriousness

Related Words

self-seriousness, serious, sincereness, sincerity