This wiki has had no edits or log actions made within the last 60 days and has been automatically marked as inactive. If you would like to prevent this wiki from being closed, please start showing signs of activity here. If there are no signs of this wiki being used within the next 60 days, this wiki will be closed in accordance to the The following comprises a list of words and phrases of the Armed Forces of the United Kingdom of Great Britain during the Great War, which also includes slang of the trenches and the Air Force; British and American service terms and expressions in everyday use; nicknames, sobriquets, and the titles of British and Commonwealth Regiments and their origins; and warfare in general. These words and phrases are contemporary to the war, which is reflected in the style and language used of the time, some of which may seem derogatory by today's standards. The following words and phrases have been transcribed from three primary sources (see contents). Feel free to help improve any of the entries in these lists.
- Lance Corporal (rank)
- Lance Sergeant (rank)
- Landstorm
- Landwehr
- Last post
- Leap-frogging
- Lee-Enfield rifle
- Legal tender
- Legion, Foreign
- Legion of frontiersmen
- Leipzig Redoubt
- Leipzig Salient
- Levee en masse
- Lewis machine gun
- Lieutenant, Second (rank)
- Lieutenant (rank)
- Lieutenant Colonel (rank)
- Lieutenant General (rank)
- Lights out
- Lines
- Lines, Exterior
- Lira
- Lizzie
- London, Declaration of
- Long Tom
- Lone tree