| A.I.F. | Australian Imperial Forces |
| A.W.L | Absent Without Leave |
| Blighty | Britain |
| block | defended barricade in a trench |
| Bull Ring | training area at Étaples, general training ground |
| bully beef | tinned meat common in Allied armies |
| chats | body lice |
| clink | gaol |
| C.O. | Commanding Officer |
| cobber | friend, mate |
| colour patches | distinctive shoulder badges indicating a division, brigade, battalion or unit within the A.I.F. |
| cove | man, bloke |
| dixie | metal container for eating food |
| duckboard | wooden decking |
| field dressing | bandage carried by all troops |
| Fritz | common name for a German |
| funk | hole hole in the side of a trench for sleeping and protection |
| furphy | horse-drawn cast iron water tank around which stories were told, hence the term 'furphy', a tall story, rumour or lie |
| gas | various poisonous gases used by both sides during the war |
| gas respirator | gas-mask used to prevent inhaling poisonous gas during a gas attack |
| 'get a Blighty' | getting wounded badly enough to be sent to England |
| hop-over | climbing out of the trench to attack the enemy line |
| H.Q. | headquarters |
| Kamerad! | German word meaning 'comrade', used when wishing to surrender |
| Lewis gun | American-designed lightweight machine-gun |
| lift | the artillery would 'lift' from one map reference to another at predetermined times so that following, attacking infantry, could assault the enemy trench |
| limber | two-wheeled cart used to carry stores or ammunition |
| Maconochie | a mixture of tinned meat and vegetables |
| Mills bomb | British-issue hand grenade |
| Minenwerfer | German trench mortar |
| mooching | hanging around, waiting, wasting time |
| mopping up | eliminating remaining enemy pockets of resistance after the main attack has gone through |
| no-man's-land | the dangerous land between two opposing trench lines |
| O.C. | Officer Commanding |
| O.R.s | other ranks |
| parados | the rear edge of a trench (the opposite of a parapet) |
| parapet | built-up front edge of a trench, which protected men |
| pill-box | concrete machine-gun emplacement |
| pioneers | infantry troops trained and equipped to perform light engineering tasks |
| platoon | army unit of thirty men under a lieutenant and sergeant |
| puttees | cloth strips wound around the legs from below the knee to the top of the boot |
| respirator | gas mask |
| reveille | dawn wake-up bugle call |
| route march | hard marching between two points |
| salient | prominent or projecting part of the line often protruding out from the main frontline |
| sap | trench dug towards the enemy from which more trenches radiate out each side |
| scabbard | metal sheath for a bayonet |
| screw picket | twisted metal post to hold up barbed wire |
| section | ten men usually under the command of a corporal |
| S.R.D. | Service Rum – Dilute. This rum came in a concentrated form and needed to be watered down before drinking |
| stand to | stand ready for the enemy, usually at dawn and dusk |
| start line | the line from where an attack commences |
| Stokes mortar | British small trench mortar |
| strafe | fired upon by shells or machine-guns |
| stunt | action or attack on the enemy |
| tapes | cotton tapes laid down to designate the starting line for an attack |
| Taube | German fighter aircraft |
| Tommy | British soldier, deriving from 'Tommy Atkins' |
| wire | barbed wire |
| wiring party | group of men who put up barbed wire |