The most common and most likely answer to this crossword clue is the 8 letter word WATCHDOG
W
A
T
C
H
D
O
G
More clues leading to the result WATCHDOG
- A boxer good at putting up a guard?
- Look at and follow monitor
- Monitoring body observe, follow closely
- Guardian women chat about setter, for example
- Who’d act barking? Guard, primarily
- Look to follow Ofwat, say
- Monitor head of welterweight boxer, perhaps after disturbing chat
- Home guard who’d act when disturbed? Good
- Monitor timer used by boxer?
- Nice, perhaps, women at church exalting the Lord
Buddy explains!

The straight part
We know that "monitor" is the straight/definition part of the clue. The straight part is often a synonym or definition, in this case monitor = watchdog.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 WATCHDOG mean?
WATCHDOG noun- A guard dog
- An individual or group that monitors the activities of another entity (such as an individual, corporation, non-profit group, or governmental organization) on behalf of the public to ensure that entity does not behave illegally or unethically.
- To perform a function analogous to that of a watchdog; to guard and warn.
- To be continuously reset by a watchdog timer.