English definition of “great”
EXCELLENT › very good: We had a great time. I've had a great idea!
IMPORTANT › important or famous: a great statesman/novelist
LARGE › large in amount, size, or degree: a great crowd of people
EXTREME › extreme: great success/difficulty
great big/long, etc › very big/long, etc: I gave her a great big hug.
a great many › a large number greatness noun [U]