Definition of unrefuelled in English:
unrefuelled
adjective (ˌ)ʌnriːˈfjuːəld
1Of a vehicle: not refuelled, especially for the duration of a journey.
2Of an action or process: not involving refuelling; characterized by an absence of refuelling. Also: designating a range or distance which is or can be travelled without refuelling, especially in an aircraft.
Origin
1920s. From un- + refuel + -ed.
Definition of unrefuelled in US English:
unrefuelled
adjective(ˌ)ʌnriːˈfjuːəld
1Of a vehicle: not refuelled, especially for the duration of a journey.
2Of an action or process: not involving refuelling; characterized by an absence of refuelling. Also: designating a range or distance which is or can be travelled without refuelling, especially in an aircraft.
Origin
1920s. From un- + refuel + -ed.