SINCE 1828
overspeed
nounDefinition of overspeed
(Entry 1 of 3)
: speed greater than normal or rated speed
subjected to overspeeds — Time
overspeed
verbDefinition of overspeed (Entry 2 of 3)
: to cause (as an engine) to run at an excessive speed
: to run at an excessive speed
overspeed
adjectiveDefinition of overspeed (Entry 3 of 3)
: operated or operating at greater than normal or rated speed
Keep scrolling for more
Comments on overspeed
What made you want to look up overspeed? Please tell us where you read or heard it (including the quote, if possible).
Test Your Vocabulary
Time Traveler Quiz: Which Word Came First?
-
- Which came first?
Test your knowledge - and maybe learn something along the way.
TAKE THE QUIZ
Test Your Knowledge - and learn some interesting things along the way.
TAKE THE QUIZLove words? Need even more definitions?
Merriam-Webster unabridged
Words at Play
Ask the Editors
Word Games
-
Time Traveler Quiz: Which Word Came First?
Which word entered the English language first?
Take the quiz -
Slippery Words Quiz—Changing with the Times
Do you know these earlier meanings of words?
Take the quiz -
True or False?
Test your knowledge - and maybe learn something along the way.
Take the quiz -
Bee Cubed
Listen to the words and spell through all three levels.
Play the game
Share overspeed
Resources for overspeed