| Subject | English | Bulgarian |
| polit. | Group of the Progressive Alliance of Socialists and Democrats in the European Parliament | Група на Прогресивния алианс на социалистите и демократите в Европейския парламент |
| law | obligation of progressive realization | задължение за постепенна реализация (алешаBG) |
| econ. | progressive development | постъпателно развитие |
| agric. | progressive piece-work | прогресивен акорд |
| comp., MS | Progressive Rock | прогресивен рок (One of the music genres that appears under Genre classification in Windows Media Player library. Based on ID3 standard tagging format for MP3 audio files. Winamp genre ID 92) |