of an extent, amount, or intensity considerably above average
the article was of great interest
she showed great potential as an actor
a great crowd thronged the marketplace
of ability, quality, or eminence considerably above average
the great Italian conductor
great art has the power to change lives
used before a noun to emphasize a particular description of someone or something
I was a great fan of Hank's
her great friend Joe
(in names of family relationships) denoting one degree further removed upwards or downwards
great-aunt
great-great-grandfather
(of two people) on very close or intimate terms
one of the boys was very great with her
an important or distinguished person
the Beatles, Bob Dylan, all the greats
the lives of the great, including Churchill and Newton
very well; excellently
we played awful, they played great