say it: im-PIR-ee-uhl
imperial is an adjective and noun meaning "relating to or associated with an empire". It carries 6 recorded senses.
relating to or associated with an empire
“imperial colony”
“the imperial gallon was standardized legally throughout the British Empire”
of or belonging to the British Imperial System of weights and measures
befitting or belonging to an emperor or empress
“imperial palace”
a small tufted beard worn by Emperor Napoleon III
a piece of luggage carried on top of a coach
Forms marked · are formed by the regular rule rather than recorded in the source data. English keeps a few hundred irregulars and the rest follow the pattern, so the rule is right far more often than not — but it is a rule, and the mark says so.
Definitions, synonyms and semantic relations for imperial come from Princeton University’s WordNet. The pronunciation comes from the CMU Pronouncing Dictionary. Commonness is measured against a corpus of everyday English. Full sources and licences.