irrestrictive,a.|ɪrɪˈstrɪktɪv| [ir-2.] Not restrictive; without restriction. 1708Brit. ApolloNo. 102. 1/2 If we canvass the matter in an Absolute, in an Irrestrictive Sense.1854J. Cairns Let. in Life xiv. (1895) 377 The statements regarding space and time as irrestrictive conditions.