Definition of overspeed
: speed greater than normal or rated speed
- subjected to overspeeds
- —Time
- Trending Now: More Trending:
- embolization oleaginous pansexual symbiote charlatan
- ALL
What's Trending Now
More Trending Words
There's more!
Love words? You must — there are over 200,000 words in our free online dictionary, but you are looking for one that’s only in the Merriam-Webster Unabridged Dictionary.
Start your free trial today and get unlimited access to America's largest dictionary, with:
- More than 250,000 words that aren't in our free dictionary
- Expanded definitions, etymologies, and usage notes
- Advanced search features
- Ad free!
Origin and Etymology of overspeed
3over + speed, noun
Definition of overspeed
: to cause (as an engine) to run at an excessive speed
: to run at an excessive speed
Origin and Etymology of overspeed
1over + speed, verb
Definition of overspeed
: operated or operating at greater than normal or rated speed
Origin and Etymology of overspeed
Seen and Heard
What made you want to look up overspeed? Please tell us where you read or heard it (including the quote, if possible).
