Definition of testing ground
1 : a place where machines, vehicles, etc., are tested to see if they are working correctly a testing ground for weapons
2 : a place or situation in which new ideas, methods, etc., can be tried Her class served as a testing ground for new teaching methods.
Word by Word Definitions
: requiring maximum effort or ability
: the bottom of a body of water
: ground coffee beans after brewing
: to bring to or place on the ground
: to cause to run aground
: to provide a reason or justification for
: past tense and past participle ofgrind
Seen and Heard
What made you want to look up testing ground? Please tell us where you read or heard it (including the quote, if possible).