Enfermer (en. Lock up)
/ɑ̃.fɛʁ.me/
Slang Meanings
To put someone aside excessively.
When he is angry, he tends to lock his friends out.
Quand il est fâché, il a tendance à enfermer ses amis.
To exclude someone from a social group.
He shut himself off after his failure.
Il s'est enfermé lui-même après son échec.