adj. performed or made by an end-user who is without professional training in the relevant techniques; as, their house was a do-it-yourself project. Contrasted with factory-made and professional. [ WordNet 1.5 ]

n. a person who often makes objects typically made by professionals, or performs repairs typically performed by professionals, though not having professional training in the relevant art. The term is used mostly to refer to activities related to maintaining a home. [ PJC ]

pron. & a. [ OE. your, &yogh_;our, eowr, eower, AS. eówer, originally used as the gen. of ge, gē, ye; akin to OFries. iuwer your, OS. iuwar, D. uw, OHG. iuwēr, G. euer, Icel. yðar, Goth. izwara, izwar, and E. you. √189. See You. ] The form of the possessive case of the personal pronoun you. [ 1913 Webster ]

☞ The possessive takes the form yours when the noun to which it refers is not expressed, but implied; as, this book is yours. “An old fellow of yours.” Chaucer. [ 1913 Webster ]

pron. See the Note under Your. [ 1913 Webster ]

pron.; pl. Yourselves [ Your + self. ] An emphasized or reflexive form of the pronoun of the second person; -- used as a subject commonly with you; as, you yourself shall see it; also, alone in the predicate, either in the nominative or objective case; as, you have injured yourself. [ 1913 Webster ]

Of which right now ye han yourselve heard. Chaucer. [ 1913 Webster ]

If yourselves are old, make it your cause. Shak. [ 1913 Webster ]

Why should you be so cruel to yourself ? Milton. [ 1913 Webster ]

The religious movement which you yourself, as well as I, so faithfully followed from first to last. J. H. Newman. [ 1913 Webster ]