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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.



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verb clam pronunciation in British English /klæm/
Word Forms
present tense
present participleclamming
past tenseclammed
past participleclammed

Related words

phrasal verb

clam up

Word Forms
present tense
I/you/we/theyclam up
he/she/itclams up
present participleclamming up
past tenseclammed up
past participleclammed up
to suddenly stop talking or explaining something, because you are embarrassed, unhappy, or want to keep a secret
He clammed up when I asked him who else was involved.


used to describe foods which don't contain ingredients such as wheat, dairy products etc …

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Open Dictionary

red market

the buying and selling of human organs

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