append UK /əˈpɛnd/US /ʌˈpɛnd/verb 3noun 1forms 4 verb3 •To add, as an accessory to the principal thing; to annex.notes appended to a book chapter •To write more data to the end of a pre-existing file, string, or other object. •To hang or attach to, as by a string, so that the thing is suspended.a seal appended to a recordAn inscription was appended to the column. noun1 •An instance of writing more data to the end of an existing file or sequential data structure, such as a list.After recursively sorting the two subsets, the situation is (11,28) 35 (45,50,62) and an append of the three pieces gives the final result. — 1997 formsappended · appending · appendeth · appends