from The American Heritage® Dictionary of the English Language, 4th Edition
- adj. Involving or representing different departments, as of a business, an academic institution, or a government: "the petty interdepartmental squabbling that surrounds the making of . . . foreign policy” ( Morton A. Reichek).
from Wiktionary, Creative Commons Attribution/Share-Alike License
- adj. Between departments; to do with the connection of departments.
- adj. Involving multiple departments; multi-departmental.
from WordNet 3.0 Copyright 2006 by Princeton University. All rights reserved.
- adv. between departments
- adj. between or among departments
inter- + department + -al (Wiktionary)