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sem JUST WRITTEN FOR YOU

/sɛm/ · sem
noun
  1. Half of a school year or academic year, such as fall or spring semester. The student is currently in the second sem of the academic year.
  2. A period or term of six months. The company operates on a sem schedule, with two sems in a year.
  3. The punctuation mark ;. The writer used a sem to separate the two independent clauses in the sentence.
  4. A theological school for the training of rabbis, priests, or ministers. The sem is a place where young men can come to study and prepare for their future careers.
  5. A private residential school for girls. The sem is a prestigious boarding school for young women.
  6. A class of religious education for youths ages 14–18 that accompanies normal secular education. The sem is a unique program that combines faith and learning.
Did you know? The word 'sem' is often used in academic and professional contexts to refer to a specific period of time, but it can also be used in more casual conversations to refer to a six-month period or a punctuation mark.
Written by Lexi Wordsworth, Dictionary Editor 0 lookups Added Jul 25, 2026