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Definitions

operation

[op-uh-rey-shuhn] / ˌɒp əˈreɪ ʃən /


NOUN
surgical procedure
Synonyms
Antonyms


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.

During operation, it used just 5% of the energy needed by conventional approaches.

From Science Daily • Apr. 5, 2026

The most famous rescue operation that the U.S. has previously attempted in Iran—aimed at freeing 53 U.S.

From The Wall Street Journal • Apr. 5, 2026

Iran’s military claimed credit for downing additional U.S. aircraft as the operation unfolded, including two Black Hawk helicopters and two C-130 military transport planes.

From Los Angeles Times • Apr. 5, 2026

"We had some solid preliminary information about this operation, including details about the place and possible timing," former senior Hungarian counter-intelligence officer, Peter Buda, told the BBC.

From BBC • Apr. 5, 2026

On August 11, he drafted a memo to John Ehrlichman recommending: “A covert operation be undertaken to examine all the medical files still held by Ellsberg’s psychoanalyst.”

From "Most Dangerous: Daniel Ellsberg and the Secret History of the Vietnam War" by Steve Sheinkin