overturned; overturning; overturns
Definition of overturn
(Entry 1 of 2)
1
: to cause to turn over : upset
overturned the vase
2a
: invalidate, destroy
the degree to which accident could overturn the schemes of wise men— Oscar Handlin
b
: reverse sense 2a
overturn a court ruling
overturn
nounDefinition of overturn (Entry 2 of 2)
1
: the act of overturning : the state of being overturned
2
: the sinking of surface water and rise of bottom water in a lake or sea that results from changes in temperature that commonly occur in spring and fall
Test Your Vocabulary
Words Named After People
-
- Namesake of the leotard, Jules Léotard had what profession?

Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
A daily challenge for crossword fanatics.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Share overturn
Time Traveler for overturn
The first known use of overturn was in the 13th century
See more words from the same century