Dictionary.com

on thin ice

Save This Word!

In a precarious or risky position, as in After failing the midterm, he was on thin ice with his math teacher. This metaphor is often rounded out as skate on thin ice, as in He knew he was skating on thin ice when he took his rent money with him to the racetrack. This idiom, which alludes to the danger that treading on thin ice will cause it to break, was first used figuratively by Ralph Waldo Emerson in his essay Prudence (1841): “In skating over thin ice our safety is in our speed.”

QUIZ
THINGAMABOB OR THINGUMMY: CAN YOU DISTINGUISH BETWEEN THE US AND UK TERMS IN THIS QUIZ?
Do you know the difference between everyday US and UK terminology? Test yourself with this quiz on words that differ across the Atlantic.
Question 1 of 7
In the UK, COTTON CANDY is more commonly known as…
The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.
FEEDBACK