Simple Definition of ground rule
: a basic rule about what should be done in a particular situation, event, etc.
sports : a special rule about how a game is played on a particular field, court, or course
Full Definition of ground rule
1 : a sports rule adopted to modify play on a particular field, court, or course
2 : a rule of procedure <ground rules for selecting a superintendent — American School Board Journal>
Examples of ground rule in a sentence
<before the debate begins, let's lay out some ground rules>
First Known Use of ground rule
Learn More about ground rule
Thesaurus: All synonyms and antonyms for ground rule
Seen and Heard
What made you want to look up ground rule? Please tell us where you read or heard it (including the quote, if possible).