all_together
1. [ adverb ] all at the same time
Synonyms: all_at_once
Examples:

"Let's say `Yes!' all at once"

2. [ adverb ] used of a group whose members acted or were acted upon collectively and when `all' and `together' can be separated by other words
Examples:

"they were herded all together" "they were all herded together" "the books lay all together in a heap"

Similar spelling:   altogether