Definition of rampant
- rampant rumors
- rampant weeds
a weed that's rampant in this area
the mayor promised to put a stop to the rampant crime that plagued the city
These example sentences are selected automatically from various online news sources to reflect current usage of the word 'rampant.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.
First Known Use: 14th centurySee Words from the same year
—used to describe something that is very common or that is spreading very quickly and in a way that is difficult to control
: growing quickly and in a way that is difficult to control
What made you want to look up rampant? Please tell us where you read or heard it (including the quote, if possible).
Merriam-Webster's New Words Quiz—Fall 2017 Edition!
Can you spell these 10 commonly misspelled words?TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.TAKE THE QUIZ