Mutual Understanding
Removal Of Blockage, Drainage
noun, verbal noun
If you never neglect to pass through your thoughts to another person the two of you will be able to have a special mutual understanding.
This is a jukugo word that uses the on'yomi readings of the kanji. You should be able to read this on your own.
彼とは、意思疎通が全然できないんです。
There is no way I can come to a mutual understanding with him.