0 completely loyal to a person or belief:
You don't need to worry about Kimberley - she's true-blue.
1 completely loyal to a person or belief
Here you have an acute controversy between two lots of dyed-in-the-wool, true-blue planners about what is and what is not good planning.
A true-blue city boy, he offered to buy a piece of land for the club on which the stadium would be built.