Definitions

1. adjective

relating to the Celts or their culture; Celtic.

“The celtish designs on the pottery reflected the rich history of the region.”

2. adjective

ungrammatical or barbarous in speech.

“His celtish pronunciation of the word made it sound more like a curse.”

3. noun

a person who speaks celtish, or a person who is of Celtic descent.

“The celtish community in the town held a cultural festival to celebrate their heritage.”