Definitions
There is 1 meaning of the phrase
World War 1.
World War 1 - as a noun
A war between the allies (russia, france, british empire, italy, united states, japan, rumania, serbia, belgium, greece, portugal, montenegro) and the central powers (germany, austria-hungary, turkey, bulgaria) from 1914 to 1918
Synonyms (Exact Relations)
first world wargreat warwar to end warworld war i