imperial UK /ɪmˈpɪə.ɹi.əl/US /ɪmˈpɪɹ.i.əl/adjective 6noun 11forms 4 adjective6 •connected with a large group of countries under one ruler, or with that ruler and their family •Clipping of Imperial Japanese. •Relating to the British imperial system of measurement. •Very grand or fine. •Of special, superior, or unusual size or excellence. •Stronger than typical. (Derived from the name of Russian Imperial stout, a strong dark beer.) noun11 •A tuft of hair on the lower lip (so called from its use by Napoleon III). •A bottle of wine (usually Bordeaux) containing 6 liters of fluid, eight times the volume of a standard bottle. •A large Bordeaux wine bottle with the capacity of about 6 liters, equivalent to 8 standard bottles. •A writing paper size measuring 30 × 22 inches, or printing paper measuring 32 × 22 inches. •A crown imperial.There are who say the sonnet's meted maze Is all too fettered for the poet's powers, Compelled to crowd his flush and airy flowers Like pots of tall imperials, ill at ease. — 1816 •A variety of green tea. •A card game differing from piquet in some minor details, and in having a trump. •A kind of dome, as in Moorish buildings. •(historical) An outside or roof seat on a diligence or carriage. •(historical) A suitcase or trunk designed to be transported on the roof of a carriage.[T]he imperials were packed, and the post-chariot was at the door. — 1818 •Any of several combinations of cards which score in this game. formsImperials · imperials · more imperial · most imperial