Meaning of つうじあう in Japanese

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Definition of つうじあう

つうじあう(tsuujiau) 【通じ合う】

(v5u) to communicate with; to understand
彼らは素敵なカップルである。いつもお互いに気持ちが通じあっている。
They are a nice couple; they are always in sympathy with each other.