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90% of the time, speakers of English use just 7,500 words in speech and writing. These words appear in red, and are graded with stars. One-star words are frequent, two-star words are more frequent, and three-star words are the most frequent.
The thesaurus of synonyms and related words is fully integrated into the dictionary entries. Click on the T button in an entry to review the synonyms and related words for that meaning.more
This was the biggest military operation in 20 years.
Undercover operations led to the arrest of the gang.
The cleanup operation will take weeks.
a stomach/heart operation
The baby had to have an operation, but he's fine now.
She may need an operation on her knee.
A very experienced heart surgeon will perform the operation.
We are visiting schools to explain the operation of the new exam system.
This is the American English definition of operation. View British English definition of operation.
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