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Definition of interdepartmental
interdepartmental
/ˌɪn.tɚ.dɪˌpɑːrtˈmɛn.təl/
in · ter · de · part · men · tal
Adverb:interdepartmentally
interdepartmental Lexical Profile
CEFR
C1
Grade
10
Tier
2
Usage
Top 10k
Syllables
6
• adjective
1
Existing, occurring, or carried on between two or more departments of a company, university, government, or other organization.
Example
"The university launched an interdepartmental research initiative uniting faculty from biology, chemistry, and computer science."
Word Nuance & Usage
Do not confuse 'interdepartmental' (occurring between two or more different departments) with 'intradepartmental' (occurring entirely within a single department).
• Rhymes for interdepartmental
• Nearby Words
Usage Trend
Historical frequency of usage in published text.
180019102020
Data source: Google Books Ngram Viewer
Cite this Entry
Wordmom. (2026). Definition of Interdepartmental. In Wordmom Dictionary. Retrieved Nov 5, 2026, from https://wordmom.com/dictionary/interdepartmental