unshift

== English == === Etymology === From un- +‎ shift. === Verb === unshift (third-person singular simple present unshifts, present participle unshifting, simple past and past participle unshifted) (intransitive) To release the shift key on a computer or typewriter keyboard. (transitive, programming) To add an item to the beginning of an array. ==== Antonyms ==== (antonym(s) of “programming”): shift