Princeton's WordNet(0.00 / 0 votes)Rate these synonyms: 1  imperative mood, imperative, jussive mood, imperative form(noun) a mood that expresses an intention to influence the listener's behavior. 2  imperative(adj) some duty that is essential and urgent. 3  imperative(adj) requiring attention or action.
Greenwich is in London. It is a district located in South East  London. From the center of London to the district of Greenwich is  7.7 miles via A2. 3 people found this useful.
Quick Answer. The city closest to the prime meridian is London. The prime meridian runs through the Royal Observatory in the town of Greenwich, which is in southeast London. In the past, the location of the prime meridian â 0 degrees latitude â was often arbitrary.