The middle ground between two groups, ideas, or plans involves things which do not belong to either of these groups, ideas, or plans but have elements of each, often in a less extreme form.
What you did was either great or nothing, there was no middle ground.
See full dictionary entry for ground
middle ground in British English
noun
1.
another term for middle distance
middle-distance (sense 2)
2.
a position of compromise between two opposing views, parties, etc
middle ground in American English
1.
middle distance (sense 1)
2.
an intermediate position between opposing ideas, conflicting viewpoints, etc., by which reconciliation or compromise may be achieved
Examples of 'middle ground' in a sentence
middle ground
There's a middle ground between the two.
Times, Sunday Times (2007)
I guess a middle ground between those two would be most helpful.
Times, Sunday Times (2007)
As politics in this country moves towards a middle ground in terms of policy, politicians move towards a middle ground in terms of how they look.
Times, Sunday Times (2008)
Sometimes we need to make a compromise with our spouses by finding middle ground between our two desires, but sometimes that isn't possible.