Meaning of IRISH in English
1》 relating to Ireland or the Celtic language traditionally and historically spoken there.
2》 offensive illogical or apparently so.
■ noun (also ~ Gaelic ) the Celtic language of Ireland.
~man noun ( plural ~men ).
~woman noun ( plural ~women ).
ME: from OE Īr- (stem of Īras 'the ~' and Īrland 'Ireland', obscurely related to Hibernian ) + -ish 1 .
Concise Oxford English vocab. Сжатый оксфордский словарь английского языка. 2004