colonial UK /kəˈləʊ.ni.əl/US /kəˈloʊ.njəl/adjective 6noun 3forms 3 adjective6 •Of or pertaining to a colony. •Of or pertaining to a period when a country or territory was a colony.India’s half-hour zone dates back to colonial rule of India and the era when ever-faster steamships and trains were shrinking the world. — 2024 •(US) Of or relating to the original Thirteen Colonies of the USA. •Of or pertaining to the ideals of colonialism. •Tending to form colonies (especially of cells). •(US) Of or relating to the style of architecture prevalent at about the time of the Revolution. noun3 •A person from a country that is or was controlled by another.None of them are, so to speak, idle men. Many of them are emigrants, not of the soil born and bred colonials. — 1887 •(US) A house that is built in a style reminiscent of the period of the colonization of New England. •A coin or postage stamp issued by a colony. formscolonials · more colonial · most colonial