Simple Definition of arms race
: a situation in which countries that are enemies each try to build or collect weapons faster than the other can
Full Definition of arms race
: a race between hostile nations to accumulate or develop weapons; broadly : an ever escalating race or competition
First Known Use of arms race
Learn More about arms race
Britannica.com: Encyclopedia article about "arms race"
Seen and Heard
What made you want to look up arms race? Please tell us where you read or heard it (including the quote, if possible).