Other contributors have said "What is the Celtic word for hell?" is the same question as "What are the Celtic words for hell?" If you believe that these are not asking the same thing and should be answered differently, click here
In Irish it's "ifreann"

In Welsh it's "uffern"

In Scots Gaelic it's "ifrinn"
First answer by Sheena2002. Last edit by Sheena2002. Contributor trust: 494 [recommend contributor] recommended]. Question popularity: 7 [recommend question].