Antonym

• FRIVOLOUSUNRESTRAINED so as to LACK SERIOUSNESS.
• RIDICULOUSFUNNY so as to CAUSE CONTEMPT.

Hypernym

• EARNESTDILIGENT AND SERIOUS IN-RELATION-TO one's SELF:own BELIEFS AND ASPIRATIONS.
  • DILIGENTEAGER to ACHIEVE one's TASK USING APPROPRIATE EFFORT.
    • EAGERINTENSE DESIRE to ACT FOR A DEFINITE AIM.
      • DESIREGOOD FEELING IN-RELATION-TO ONESELF concerning the FUTURE HAVING, CONTROLLING, or ACTING:doing SOMETHING DEFINED....

See also

• DILIGENTEAGER to ACHIEVE one's TASK USING APPROPRIATE EFFORT.
• DECENTGOOD so as to CONFORM to CUSTOMS in a GROUP.

Hyponym

• SEVERE　SERIOUS AND NOT TENDING to PARDON.

Modern Chinese Criteria

• Lateinische Synonyme und Etymologien ( DOEDERLEIN 1840) p.

  SERIOUS

  austerus refers to the gravity natural to an intellectual.

  severus refers to gravity as a moral quality.

  difficilis refers to someone who does not understand the art of relaxed interaction with other persons, and the word is a pejorative term.

  morosus refers to someone who is scrupulous and wants everything to be done according to rule, for want of tolerance.

  tetricus refers to a fastidious person who is stiff and constrained from pedantry.

• Historisches Woerterbuch der Philosophie ( RITTER 1971-2007) p. 2.720

  ERNST

• Ästhetische Grundbegriffe ( BARCK 2010) p. 724

• SYNONYMES FRANÇOIS, LEURS DIFFÉRENTES SIGNIFICATIONS, ET LE CHOIX QU'IL EN FAUT FAIRE Pour parler avec justesse ( GIRARD 1769) p. 2.346:234

  GRAVE.SERIEUX

• SYNONYMES FRANÇOIS, LEURS DIFFÉRENTES SIGNIFICATIONS, ET LE CHOIX QU'IL EN FAUT FAIRE Pour parler avec justesse ( GIRARD 1769) p. 1.150.112

  GRAVE.SERIEUX.PRUDE

• Bibliographisches Handbuch zur Sprachinhaltsforschung. Teil II. Systematischer Teil. B. Ordnung nach Sinnbezirken (mit einem alphabetischen Begriffsschluessel): Der Mensch und seine Welt im Spiegel der Sprachforschung ( FRANKE 1989) p. 64B