Trimonthly

adj, noun

adj, noun ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A periodical publication that appears four times per year (every three months).
Adjective
  1. 1
    Occurring at intervals three months apart. not-comparable

Synonyms

All synonyms
quarterlyquarterly

Etymology

From tri- + monthly.

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Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.