IPA: //ˈdʒɪŋɡoʊɪʃ//
KK: /dʒɪŋɡoʊɪʃ/
Relating to extreme patriotism, often characterized by aggressive or warlike foreign policy.
His jingoish attitude made it difficult for him to consider other countries' perspectives.
Jingoish is derived from the term 'jingo' (originating from British slang during the late 19th century, possibly from the phrase 'by jingo', an expression of surprise or emphasis) combined with the suffix '-ish' (meaning having the quality of). The word 'jingoish' refers to having the qualities or characteristics of jingoism, which is an extreme patriotism or nationalism.
Think of 'jingo' as a term that expresses strong patriotism, and the '-ish' suffix indicates a quality. So, 'jingoish' means having the qualities of strong nationalism.