C2 adjective #29,198 most common

triennial

UK /tɹaɪˈɛnɪəl/ | US /tɹaɪˈɛnɪəl/

A third anniversary.

triennial in 30 Seconds

  • (noun) A third anniversary.
  • (noun) A plant that requires three years to complete its life-cycle.
  • (adjective) Happening every three years.

Meanings

  1. 1
    noun A third anniversary.
  2. 2
    noun A plant that requires three years to complete its life-cycle.
  3. 3
    adjective Happening every three years.
  4. 4
    adjective Lasting for three years.

Examples

1

2

Synonyms

trieterical
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