Source : WordNet®

all together
     adv 1: all at the same time; "Let's say `Yes!' all at once" [syn: {all
            at once}]
     2: used of a group whose members acted or were acted upon
        collectively and when `all' and `together' can be
        separated by other words; "they were herded all together";
        "they were all herded together"; "the books lay all
        together in a heap"; "the books all lay together..."