Meanings
From sailing: a ship may (or may not) sail well both close by the wind, and large, downwind, with sheets extended.
How to pronounce "by and large":
AU
Mostly, generally; with few exceptions.
Example: "It was, by and large, an unexceptional presentation."
Example Sentences
1
She is a good student, by and large.
2
I agree with your argument, by and large.
3
The new restaurant has received positive reviews by and large.
4
They have been supportive, by and large.
5
The overall quality of the product is good, by and large.