To save this word, you'll need to log in.
Definition of high-risk
1 : likely to result in failure, harm, or injury : having a lot of risk
a high-risk activity high-risk investments
2 : more likely than others to get a particular disease, condition, or injury
high-risk patients patients in the high-risk group
Comments on high-risk
What made you want to look up high-risk? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Intact Latin Quiz
- What did focus mean in Latin?
Can you spell these 10 commonly misspelled words?
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridgedWords at Play
Ask the Editors
Word Games
- Intact Latin Quiz
What did each of these words mean to ancient Romans?
Take the quiz - The Eponym Quiz
Do you know these words that come from names?
Take the quiz - Spell It
Can you spell these 10 commonly misspelled words?
Take the quiz - Bee Cubed
Listen to the words and spell through all three levels.
Play the game
Share high-risk