Baath Party Syllabification: (Ba·ath Par·ty)Pronunciation: /bäTH/ (also Ba'ath)Definition of Baath Party a pan-Arab socialist party founded in Syria in 1943. Different factions of the Baath Party hold power in Syria and formerly held power in Iraq. Derivatives BaathismPronunciation: /-izəm/ noun BaathistPronunciation: /-ist/ adjective & noun Origin:Baath, from Arabic ba῾ṯ 'resurrection, renaissance'Baath Party in other Oxford dictionaries Definition of Baath Party in the British & World English dictionary