Nouns

(n)greata person who has achieved distinction and honor in some field“he is one of the greats of American music”

Adjectives

(s)greatrelatively 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”
(s)great, outstandingof major significance or importance“a great work of art”, “Einstein was one of the outstanding figures of the 20th century”
(s)greatremarkable or out of the ordinary in degree or magnitude or effect“a great crisis”, “had a great stake in the outcome”
(s)bang-up, bully, corking, cracking, dandy, great, groovy, keen, neat, nifty, not bad, peachy, slap-up, swell, smashing, oldexcellent“he did a bully job”, “a neat sports car”, “had a great time at the party”, “you look simply smashing”, “we had a grand old time”
(s)capital, great, majusculeuppercase“capital A”, “great A”, “many medieval manuscripts are in majuscule script”
(s)big, enceinte, expectant, gravid, great, large, heavy, with childin an advanced stage of pregnancy“was big with child”, “was great with child”