somebody whose activities are uncommon and out of control
an uncontrolled person who can cause unintentional damage
someone who behaves in an unexpected and uncontrolled way and is liable to cause problems
He was a loose cannon and could not be risked in front of the press.
I don’t think he’s just a loose cannon, sometimes he really makes sense.
The candidate turned out to be a loose cannon, and most of the voters could not place their trust on him.
He was considered to be a loose cannon due to his volatile temper.
They did not share any secrets with him since he was seen as being something of a loose cannon.
He is a loose cannon and would not be a good choice for a leader.
There is no origin for this idiom
Was this page helpful?
definition
Common phrase that has a specific meaning.