deed /diːd/noun 5verb 1forms 3 noun5 •a thing that a person does, such as helping someone or hurting themOne small deed can have one strong effect or more. •A brave or noteworthy action; a feat or exploit.They should accomplish both a knightly deed, — 1596 •Action or fact, as opposed to rhetoric or deliberation.I have fulfilled my promise in word and in deed. •A legal instrument that is executed under seal or before a witness; sometimes required for certain legal activities, such as the transfer of certain kinds of property. •The legal title to real estate; ownership.I inherited the deed to the house. verb1 •To transfer real property by deed.He deeded over the mineral rights to some fellas from Denver. formsdeeded · deeding · deeds