Synonyms for Serious-mindedness:

• n.

  •attribute (noun)
  • serious-mindedness,
  • sincerity.
  •earnestness (noun)
  • absorption,
  • intensity,
  • perseverance,
  • gravity,
  • keenness,
  • decision,
  • eagerness,
  • doggedness,
  • fervor,
  • engrossment,
  • resolve,
  • devotion,
  • zeal,
  • firmness,
  • ardor,
  • deliberation,
  • enthusiasm,
  • passion,
  • tenacity,
  • attentiveness,
  • purposefulness,
  • concentration,
  • vehemence,
  • stress,
  • resolution,
  • sobriety,
  • solemnity.
  •seriousness (noun)
  • sedateness,
  • earnests,
  • coolness,
  • earnest,
  • thoughtfulness,
  • calmness,
  • sober-mindedness,
  • sternness,
  • staidness.

• Other synonyms:

  •n.
  • earnestness,
  • intentness,
  • persistence,
  • seriousness,
  • trait,
  • urgency,
  • warmth.

Antonyms for Serious-mindedness:

• n.

  • attribute
    frivolity.
  • earnestness
    insincerity, coldness, apathy, indifference, lethargy, flippancy, indecision, coolness, question, weakness, unimportance, idleness, indolence, wavering.
  • seriousness
    humor, funniness, triviality, lightness.
  • Other antonyms:
    gaiety, lightheartedness, cheerfulness, mirth, dalliance, merriment, levity, facetiousness, flightiness, shallowness, frivolousness, play, high-spiritedness, superficiality, Dilettantism, glee.

Hypernym for Serious-mindedness:

• n.

  • attribute
    sedateness, sombreness, gravity, sobriety, commitment, solemness, graveness, committedness, soberness, somberness, staidness, solemnity.

Hyponym for Serious-mindedness:

• n.

  • attribute
    trait.