| Adj. | 1. | greatest - not to be surpassed; "his top effort"maximal, maximum - the greatest or most complete or best possible; "maximal expansion"; "maximum pressure" | |
| 2. | greatest - greatest in size of those under considerationbig, large - above average in size or number or quantity or magnitude or extent; "a large city"; "set out for the big city"; "a large sum"; "a big (or large) barn"; "a large family"; "big businesses"; "a big expenditure"; "a large number of newspapers"; "a big group of scientists"; "large areas of the world" | |
| 3. | greatest - greatest in importance or degree or significance or achievement; "our greatest statesmen"; "the country's leading poet"; "a preeminent archeologist"superior - of or characteristic of high rank or importance; "a superior officer" | |
| 4. | greatest - highest in qualitysuperior - of high or superior quality or performance; "superior wisdom derived from experience"; "superior math students" | |