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Webster 1913 Edition

Noun.

The power or character of an emperor; imperial authority; the spirit of empire.

Roman

imperialism

had divided the world.

C. H. Pearson.

imperialism ‎(countable and uncountable, plural imperialisms)

the policy of extending power, by force

Arabic: إِمْبِرْيَالِيَّة f ‎(ʾimbiryāliyya), اِسْتِعْمَارِيَّة f ‎(istiʿmāriyya)
Armenian: իմպերիալիզմ (hy) ‎(imperializm), կայսերապաշտություն (hy) ‎(kayserapaštutʿyun)
Chinese:
Mandarin: 帝國主義 (zh), 帝国主义 (zh) ‎(dìguózhǔyì)
Czech: imperialismus (cs) m
Dutch: imperialisme (nl) n
French: impérialisme (fr) m
German: Imperialismus (de) m
Greek: αποικιοκρατισμός m ‎(apoikiokratismós), αποικιοκρατία (el) f ‎(apoikiokratía)
Hungarian: imperializmus (hu)
Icelandic: heimsvaldastefna f, imperíalismi m
Indonesian: imperialisme (id)
Irish: impiriúlachas m
Italian: imperialismo (it) m
Japanese: 帝国主義 (ja) ‎(ていこくしゅぎ, teikokushugi)
Khmer: ចក្រពត្តិនិយម (km) ‎(chak krɑɑpoat niyum)

imperialism n ‎(uncountable)

declension of imperialism (singular only)