hear somebody out phrasal verb [not in passive] (see also hear)
to listen to all of what someone wants to tell you without interrupting them:
Just hear me out, will you?

[TahlilGaran] Dictionary of Contemporary English ▲

hear out
hear (someone) out
to listen to someone until they have finished.
Everyone in that room was angry when I got there, but except for one person, they all stayed to hear me out.

Usage notes: sometimes used as a request:
“Can we end this discussion and get back to work?” “Hear me out, please — I want to be sure you understand my point.”

[TahlilGaran] English Idioms Dictionary ▲

hear out
listen to everything that someone has to say
We went to the meeting to hear the manager out about the new building.

[TahlilGaran] English Idioms Dictionary ▲

hear someone out
hear (someone) out
to listen to someone until they have finished.
Everyone in that room was angry when I got there, but except for one person, they all stayed to hear me out.

Usage notes: sometimes used as a request:
“Can we end this discussion and get back to work?” “Hear me out, please — I want to be sure you understand my point.”

[TahlilGaran] English Idioms Dictionary ▲

hear someone out
listen to everything that someone has to say
We went to the meeting to hear the manager out about the new building.

[TahlilGaran] English Idioms Dictionary ▲