rainbow pill

noun

Medical Definition of rainbow pill

slang
: any of a combination of pills (as of amphetamines, laxatives, and thyroid hormones) typically of different colors that were formerly taken to curb appetite and promote weight loss

Comments on rainbow pill

What made you want to look up rainbow pill? Please tell us where you read or heard it (including the quote, if possible).

WORD OF THE DAY

friendly or mild

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

TAKE THE QUIZ
Dictionary Devil

Test Your Knowledge - and learn some interesting things along the way.

TAKE THE QUIZ
Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!