Definition of "Great" :
noun: a person who has achieved distinction and honor in some field
"He is one of the greats of American music."
adjective: in an advanced stage of pregnancy
"Was great with child."
adjective: very good
"Had a great time at the party."
adjective: of major significance or importance
"A great work of art."
adjective: relatively large in size or number or extent; larger than others of its kind
"A great juicy steak."
adjective: uppercase
"Great A."
adjective: remarkable or out of the ordinary in degree or magnitude or effect
"A great crisis."