Source : WordNet®

unplanned
     adj 1: without apparent forethought or prompting or planning; "an
            unplanned economy"; "accepts an unplanned order"; "an
            unplanned pregnancy"; "unplanned remarks" [ant: {planned}]
     2: not intentional; "an unintended slight"; "an unintentional
        pun"; "the offense was unintentional"; "an unwitting
        mistake may be overlooked" [syn: {unintentional}, {unwitting}]