1.
emperor
The sovereign ruler of an empire. Used primarily for foreign emperors (Roman, Chinese, etc.) and historically for the Chinese-style title. For the Japanese emperor, 天皇 is the standard term.
Similar words
皇帝 vs. 天皇 — 皇帝 is used for emperors in general (especially foreign ones), while 天皇 refers specifically to the Emperor of Japan. Using 皇帝 for the Japanese emperor is considered incorrect in modern Japanese.
皇帝 vs. 王 / 国王 — 皇帝 (emperor) rules an empire, while 王 or 国王 (king) rules a kingdom. An emperor outranks a king in the traditional hierarchy.
Common collocations
Related Words
Compare:
天皇 (Japanese emperor)
Compare:
国王 (king)
Related:
王様 (king)
Compare:
王 (king)