trimester

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UK/ˈtɹ(a)ɪ.mɛs.tə(ɹ)/UK/tɹ(a)ɪˈmɛs.tə(ɹ)/US/ˈt(ʃ)ɹaɪ.mɛs.təɹ/US/t(ʃ)ɹaɪˈmɛs.təɹ/

noun

A period of three months or about three months; (financial): quarter.

“The school operates on a trimester schedule.”

Similar
Less commonScrabble 11

Meanings

nountrimester (plural trimesters)

plural trimesters

  1. A period of three months or about three months; (financial): quarter.

    She is in the second trimester of her first pregnancy.

  2. One of the terms of an academic year in those learning institutions that divide their teaching in three roughly equal terms, each about three months long. Compare semester.

    The school operates on a trimester schedule.

    Synonyms: trisem

Synonyms & antonyms

nounOne of the terms of an academic year in those learning institutions that divide their teaching in three roughly equal terms, each about three months long. Compare semester.

Similar

Origin

  1. Latintrimestris“of three months”
  2. Frenchtrimestre
  3. Englishtrimester

PIE word *tréyes From French trimestre, from Latin trimestris (“of three months”), from trēs (“three”) + mensis (“month”).

Full word history & related roots →

Translations

Arabic أُثْلُوث, أُثْلُوث
  • أُثْلُوث (ʔuṯlūṯ)period of three months
  • أُثْلُوث (ʔuṯlūṯ)term of academic year
Bulgarian тримесечие
  • тримесечие (trimesečie)period of three months
Catalan trimestre, trimestre
  • trimestreperiod of three months
  • trimestreterm of academic year
Chinese Mandarin 三月期, 學期 /学期
  • 三月期 (sānyuèqī)period of three months
  • 學期 /学期 (xuéqī)term of academic year
Czech trimestr
  • trimestrperiod of three months
Dutch kwartaal, trimester
  • kwartaalperiod of three months
  • trimesterperiod of three months
  • trimesterterm of academic year
Esperanto trimestro, trimestro
  • trimestroperiod of three months
  • trimestroterm of academic year
Finnish kolmekuukautisjakso, kolmannes
  • kolmekuukautisjaksoperiod of three months
  • kolmannesperiod of three months
  • lukukausiterm of academic year
French trimestre
  • trimestreperiod of three months
German Trimester
  • Trimesterperiod of three months
Hungarian trimeszter, trimeszter
  • trimeszterperiod of three months
  • trimeszterterm of academic year
Indonesian trimester, kuartal
  • trimesterperiod of three months
  • kuartalperiod of three months
Irish ráithe
  • ráitheperiod of three months
Italian trimestre
  • trimestreperiod of three months
Japanese 学期
  • 学期 (gakki)term of academic year
Latin trimestris
  • trimestrisperiod of three months
Norwegian trimester
  • trimesterperiod of three months
Polish trymestr, trymestr
  • trymestrperiod of three months
  • trymestrterm of academic year
Portuguese trimestre, trimestre
  • trimestreperiod of three months
  • trimestreterm of academic year
Romanian trimestru, trimestru
  • trimestruperiod of three months
  • trimestruterm of academic year
Russian триме́стр, кварта́л
  • триме́стр (triméstr)period of three months
  • кварта́л (kvartál)period of three months
  • триме́стр (triméstr)term of academic year
Slovak trimester
  • trimesterperiod of three months
Spanish trimestre
  • trimestreperiod of three months
Turkish trimestır, çeyrekyıl
  • trimestırperiod of three months
  • çeyrekyılperiod of three months
  • trimestırterm of academic year
  • çeyrekyılterm of academic year
Ukrainian триме́стр
  • триме́стр (tryméstr)term of academic year

Rhymes & wordplay

Rhymes with trimester

All rhymes →
Cite this entry
APA

trimester. (n.d.). In WatkinsX Dictionary. Retrieved November 2, 2026, from https://dictionary.watkinsx.com/word/trimester

MLA

“trimester.” WatkinsX Dictionary, https://dictionary.watkinsx.com/word/trimester. Accessed November 2, 2026.

Chicago

WatkinsX Dictionary, s.v. “trimester,” accessed November 2, 2026, https://dictionary.watkinsx.com/word/trimester.

Source: trimester on Wiktionary, CC BY-SA 4.0.