| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | first in rank, order |
| Synonyms: | A-1, A-number-1, arch, at the cutting edge, at the leading edge, champion, chief, front, head, headmost, heavy, heavy stuff, heavyweight, highest, hot stuff, hotdog, hotshot, inaugural, initial, leading, most important, number one, original, paramount, preeminent, premier, primary, prime, primo, principal, supreme |
| Antonyms: | inferior, last, least, lowest, secondary, unimportant |