operational
Americanadjective
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able to function or be used; functional.
How soon will the new factory be operational?
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Military.
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of, relating to, or involved in military operations.
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on active service or combat duty.
All units of the command are operational.
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of or relating to operations or an operation.
adjective
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of or relating to an operation or operations
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in working order and ready for use
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military capable of, needed in, or actually involved in operations
Other Word Forms
Derived Forms
Etymology
Origin of operational
Explanation
If something is operational, it’s up and running and ready to go. If you’ve been waiting for a new skating rink to open, you’ll jump for joy when it’s finally operational. When something is operational, it's ready to use or is already in use. Don’t get on an elevator that’s not fully operational unless you like getting stuck. Any gadget being used is operational. If someone calls you and you pick up and talk, then both phones are operational. If the compost bin you’ve been working on is operational, go ahead and throw in the banana peels. Operational things are functional. If your skates are operational, lace up and go!
Vocabulary lists containing operational
"Principles of Business," Vocabulary from Chapter 13
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"CLEP Financial Accounting," Vocabulary from Chapter 14
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Example Sentences
Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.
"Fire whirls burn through crude oil spills nearly twice as fast as in-situ fire pools, potentially giving cleanup crews faster operational and response times to eliminating the oils from spreading," Oran said.
From Science Daily • Jun. 5, 2026
Inside Iran, President Masoud Pezeshkian and armed forces joint operational command chief General Ali Abdollah have reported meeting Mojtaba Khamenei, even if no images ever filtered out.
From Barron's • Jun. 4, 2026
The latest bonanza surrounds a historic silver mine in Idaho that hasn’t been fully operational for a quarter century.
From The Wall Street Journal • Jun. 4, 2026
The University of Surrey said it was giving police its "full support" and that the campus was open and operational.
From BBC • Jun. 4, 2026
I know the fountain Zoe is referring to hasn’t been operational for a long time, so the spraying water was never there, but the picture is prettier that way.
From "Allegiant" by Veronica Roth
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Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023
Idioms from The American Heritage® Idioms Dictionary copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.