Synonyms for Greatest:

adj.

all (adjective)
superlative, sterling.
maximal (adjective)
maximal.
top (adjective)
foremost, most, best, top, maximum, uppermost, loftiest, highest, superior.

n.

greatest (noun)
biggest, maximal, top, maximum, largest, sterling, superior, superlative, leading, preeminent, best, big, large.

Other synonyms:

Other relevant words:
biggest, leading, big, preeminent, largest, sterling, superlative, large, maximal.

Usage examples for greatest

  1. She must become a person of the greatest moment to Aunt Sophia. – Girls of the Forest by L. T. Meade
  2. But John Paul's greatest triumph was yet to come. – Richard Carvel, Volume 5 by Winston Churchill
  3. You have picked out the greatest in London. – Red Pottage by Mary Cholmondeley