Question

the root greg means group. what does the word egregious mean?
untrustworthy or worthy of suspicion
standing out from the rest in a particularly bad way
said in a wordy and confusing way

Explanation:

The prefix "e -" can mean "out of" or "away from". Given "greg" means group, "egregious" means standing out from the group in a bad sense.

Answer:

standing out from the rest in a particularly bad way