Have multiple groups doing the same thing in a uniform fashion, but starting at different, evenly-spaced, times or places (attested from 1856).
Astonished, taken aback.
Arranged in a way that is not uniform. Example: The U.S. Senate holds staggered elections, with only one third of the seats being filled every two years.
All clues having "STAGGERED"
for an answer:
You can find a list of possible crossword clues for STAGGERED below.
Crossword Answers