Dictionary.com
Thesaurus.com
Synonyms

operational

American  
[op-uh-rey-shuh-nl] / ˌɒp əˈreɪ ʃə nl /

adjective

  1. able to function or be used; functional.

    How soon will the new factory be operational?

  2. Military.

    1. of, relating to, or involved in military operations.

    2. on active service or combat duty.

      All units of the command are operational.

  3. of or relating to operations or an operation.


operational British  
/ ˌɒpəˈreɪʃənəl /

adjective

  1. of or relating to an operation or operations

  2. in working order and ready for use

  3. military capable of, needed in, or actually involved in operations

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Other Word Forms

Etymology

Origin of operational

First recorded in 1920–25; operation + -al 1

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!

Keep Reading on Vocabulary.com

Vocabulary lists containing operational

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.

Postal Service to counteract its growing financial losses while the agency is “in the midst of the severe financial crisis amid rising operational costs.”

From MarketWatch • Jul. 8, 2026

Jacob Stokes, senior fellow at the Center for a New American Security, said the launch shows China "is looking to consolidate its nuclear triad through more operational tests for what would be real-world use."

From Barron's • Jul. 8, 2026

Communications Minister Anika Wells confirmed that welfare checks were being made for about three dozen calls to emergency services that did not go through but that the "core triple-zero system remains operational".

From BBC • Jul. 8, 2026

Industrial production in Germany unexpectedly rose for a second consecutive month in May despite higher energy costs and operational uncertainty due to the conflict in the Middle East.

From The Wall Street Journal • Jul. 7, 2026

For all that, Lawrence remained unmistakably the animating force at Livermore, which soon acquired the operational features of a classic Lawrence laboratory.

From "Big Science" by Michael Hiltzik

Vocabulary.com logo
by dictionary.com

Look it up. Learn it forever.

Remember "operational" for good with VocabTrainer. Expand your vocabulary effortlessly with personalized learning tools that adapt to your goals.

Take me to Vocabulary.com