of import,
important of great significance or value; "important people"; "the important questions of the day"
great -
relatively large in size or number or extent; larger than others of its kind; "a great juicy steak"; "a great multitude"; "the great auk"; "a great old oak"; "a great ocean liner"; "a great delay"
large,
big having broad power and range and scope; "taking the large view"; "a large effect"; "a large sympathy"
great -
remarkable or out of the ordinary in degree or magnitude or effect; "a great crisis"; "had a great stake in the outcome"
extraordinary (of an official) serving an unusual or special function in addition to those of the regular officials; "an ambassador extraordinary"
great -
in an advanced stage of pregnancy; "was big with child"; "was great with child"
great -
Typographically plural, grammatically singular proper noun A course of academic study devoted to the works of such persons and also known as Literae Humaniores; the "Greats" name has official status with respect to Oxford University's program and is widely used as a colloquialism in reference to similar programs elsewhere.