frailbarrier
nounUK /ˈfreɪlˌbæriə/
US /ˈfreɪlˌbæriər/
A weak wall or fence that can break easily.
The little rabbit hopped right through the frailbarrier around the garden.
OTHER MEANINGS
2. Something that is meant to protect but is too weak to do the job.
The old sandbags were a frailbarrier against the rising water.
3. A person who seems tough but is actually easy to upset.
Don't let his shouting fool you; he's a frailbarrier inside.
4. A rule or promise that is easy to break.
Their agreement turned out to be a frailbarrier once money got involved.