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Learn a new word every day! The Dictionary.com team of language experts carefully selects each Word of the Day to add some panache to your vocabulary.


imponderabilia

[im-pon-der-uh-bil-ee-uh]

plural noun

things that cannot be precisely determined, measured, or evaluated.

Explanation

  • First recorded in 1920–25.
  • From Medieval Latin imponderābilis, "not ponderable."
  • Imponderābilis comes from Latin ponderāre, “to weigh, reflect on,” a derivative of pondus, “weight.”
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EXAMPLES OF IMPONDERABILIA
  • Throughout history, artists have tried to capture the imponderabilia of human emotions.
  • The philosopher contemplated the imponderabilia of existence, pondering questions that had no easy answers.

jannock

[jan-uhk]

adjective

honest; fair; straightforward.

Explanation

  • First recorded in 1825–30.
  • Primarily used in British and Australian dialects of English.
  • Of uncertain origin, but has been applied to a type of oat bread, jannock bread.
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EXAMPLES OF JANNOCK
  • The jannock approach of the coach brought out the best in her players, instilling a sense of fairness and camaraderie.
  • The jannock businessman refused to engage in deceptive practices, maintaining a reputation for honesty and integrity.

commodious

[kuh-moh-dee-uhs]

adjective

spacious and convenient; roomy.

Explanation

  • Entered English around 1375–1425.
  • Ultimately comes from Latin commodi(tās), "convenience."
  • Commodity, "something of use, advantage, value," shares this origin.
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EXAMPLES OF COMMODIOUS
  • The new office building features a commodious conference room for large meetings.
  • The commodious living room provided ample space for entertaining guests.

insouciant

[in-soo-see-uhnt]

adjective

free from concern, worry, or anxiety; carefree; nonchalant.

Explanation

  • First recorded in 1820–30.
  • Comes from French, combining the negative prefix in- with souciant, a form of soucier “to worry.”
  • Soucier comes from Latin sollicitāre “to disturb,” from which we also get solicitous, "anxious; concerned; eager."
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EXAMPLES OF INSOUCIANT
  • As the waves crashed against the shore, he strolled along the beach with an insouciant gait.
  • Even in the face of adversity, she maintained an insouciant demeanor, refusing to let life's challenges dampen her spirit.

heteronym

[het-er-uh-nim]

noun

a word spelled the same as another but having a different sound and meaning.

Explanation

  • From the Late Greek word heterṓnymos, dating back to 1880–85.
  • The prefix hetero- means "different."
  • The suffix -onym means "name."
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EXAMPLES OF HETERONYM
  • The word wind is a fascinating heteronym, with one pronunciation representing moving air and the other representing the act of winding a clock.
  • Lead is a classic heteronym, with one pronunciation meaning to guide or direct, while the other refers to a heavy metal.