ジレalso: じれーじれFreq.FrequencyTop 100,000Meanings1noungilet; vest; waistcoatA sleeveless garment worn over a shirt, often as part of formal wear or as a light outer layer. The word is a loan from French 'gilet'.from French彼かれはスーツの下したにジレを着きていた。He wore a waistcoat under his suit jacket.