The most common and most likely answer to this crossword clue is the 7 letter word RESTIVE
R
E
S
T
I
V
E
More clues leading to the result RESTIVE
- On street this person's becoming rebellious
- On leave, this writer’s becoming unruly
- After lay-off from acting I have to be uneasy
- Uneasy sleep I have
- Unsettled balance I have put together
- Proffer no Government support at first, appearing uneasy
- Nervous, caught in forest I venture
- Agitated and always upset about IT’s rise
- I have to support others who are nervous
- Unable to sit still, Methuselah has to follow others
Buddy explains!

The straight part
We know that "Agitated" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case agitated = restive.The cryptic/wordplay part
In cryptic crossword there's often an wordplay/cryptic part as well.This part involves a more complex hint, such as an anagram, homophone, hidden word, etc.
Sadly, We don't have an explanation for this specific crossword clue yet.
What does RESTIVE mean?
RESTIVE adjective- Impatient under delay, duress, or control.
- Resistant to control; stubborn.
- Refusing to move, especially in a forward direction.