manifesto UK /ˌmæn.ɪˈfɛs.təʊ/US /ˌmæn.əˈfɛs.toʊ/noun 1verb 1forms 5 noun1 •A public declaration of principles, policies, or intentions, especially that of a political party.A creed is a manifesto of religious or spiritual beliefs. verb1 •To issue a manifesto. formsmanifestoed · manifestoing · manifestos · manifesti · manifestoes