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oc·cu·pa·tion (ŏkyə-pāshən)
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n.
1.
a. An activity that serves as one's regular source of livelihood; a vocation.
b. An activity engaged in especially as a means of passing time; an avocation.
2.
a. The act or process of holding or possessing a place.
b. The state of being held or possessed.
3.
a. Invasion, conquest, and control of a nation or territory by foreign armed forces.
b. The military government exercising control over an occupied nation or territory.

[Middle English occupacioun, from Old French occupacion, from Latin occupātiō, occupātiōn-, from occupātus, past participle of occupāre, to occupy; see OCCUPY.]

The American Heritage® Dictionary of the English Language, Fifth Edition copyright ©2020 by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
 

Indo-European & Semitic Roots Appendices

    Thousands of entries in the dictionary include etymologies that trace their origins back to reconstructed proto-languages. You can obtain more information about these forms in our online appendices:

    Indo-European Roots

    Semitic Roots

    The Indo-European appendix covers nearly half of the Indo-European roots that have left their mark on English words. A more complete treatment of Indo-European roots and the English words derived from them is available in our Dictionary of Indo-European Roots.

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