American Dictionary

Define dictionary terms easily in our powerful online English dictionary.

Searching for...

No matching words found

Try a different search term or browse the dictionary

Definition steroid in American English

steroid noun

[countable] noun
/ˈsteˌrɔɪd/
1

a chemical that is produced in the body or made as a drug. Steroids can act as hormones or be used for treating conditions such as swelling, or, illegally, by athletes to improve their performance.

Definition steroid in American English