Established in 1991 and managing its own Record Labels and Artists, Ministry of Sound is London's No. 1 Nightclub for Dance and House Music. Define ministry: the ministry : religious leaders as a group : ministers as a group — ministry in a sentence. Define ministry. ministry synonyms, ministry pronunciation, ministry translation, English dictionary definition of ministry. n. pl. min·is·tries 1. a. Ministry definition, the service, functions, or profession of a minister of religion. See more. MOM website containing information pertaining to labour, wages and employment in Singapore.