|Origin:||sterol type of alcohol (20-21 centuries) (from cholesterol) + -oid|
a chemical that the body produces naturally or that can be made as a drug to treat illness and injuries. Steroids are sometimes used illegally by people doing sports to improve their performance
a bodybuilder on steroids
2 American English informal
used to say that something is much bigger, stronger, more impressive etc than something else that is similar to it - used humorously:
They sell cinnamon rolls on steroids.