Eagerly awaited; feeling that you can't wait for something to happen and wanting it to come soon.
春の桜が咲くのが待ち遠しい。
I can't wait for the cherry blossoms to bloom in spring.
次の連休が待ち遠しい。
I'm looking forward to the next long weekend.
子どもたちは遠足の日を待ち遠しそうにしていた。
The children looked impatiently forward to the excursion day.