expression, godan verb (-tsu)
wait eagerly; wait and wait; wait for a long time
Emphatic expression for waiting with great anticipation or for what feels like a very long time. Often used in the form 待ちに待った to describe something long-awaited.
待ちに待った夏休みがやっと始まった。
The long-awaited summer vacation has finally begun.
彼女は待ちに待って、
She waited and waited, and finally received a reply from him.