prepend in English dictionary prepend Meanings and definitions of "prepend" (jargon, computing) (transitive) To prefix an expression with another. (rare) (transitive) To premeditate; to weigh up mentally. verb (computing, linguistics, transitive) To attach (an expression, phrase, etc.) to another, as a prefix. verb (rare, transitive) To premeditate; to weigh up mentally. more Grammar and declension of prepend prepend ( third-person singular simple present prepends, present participle prepending, simple past and past participle prepended) prepend (third-person singular simple present prepends, present participle prepending, simple past and past participle prepended) more Prepend Sample sentences with "prepend" Declension Stem Try again Available translations Arabic Czech French German Indonesian Lingua Franca Nova Russian Spanish Authors