Interdepartmental

adj

adj ·Rare ·Advanced level

Definitions

Adjective
  1. 1
    Between departments; to do with the connection of departments. not-comparable

    "I sent the memo to the accounting department via interdepartmental mail."

  2. 2
    Involving multiple departments; multidepartmental. not-comparable

    "The memo discussed a new interdepartmental project that would require resources from nearly every group."

Adjective
  1. 1
    between or among departments wordnet
Adverb
  1. 1
    between departments wordnet

Synonyms

All synonyms
interfunctional

Example

More examples

"I sent the memo to the accounting department via interdepartmental mail."

Etymology

From inter- + department + -al.

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