Antonyms
Synonyms
Etymology

1. triennial

adjective. ['traɪˈɛniːəl'] occurring every third year or lasting 3 years.

Synonyms

Etymology

  • triennial (English)
  • triennium (Latin)

2. triennial

noun. ['traɪˈɛniːəl'] the 300th anniversary (or the celebration of it).

Synonyms

Etymology

  • triennial (English)
  • triennium (Latin)
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