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longed-for; anxiously awaited
子供たちにとって夏休みは待遠しいものだ。
For children, summer vacation is something eagerly awaited.
新作映画の公開日が待遠しくて予告編を何度も見た。
I could not wait for the new movie's release date and watched the trailer many times.
退院が待遠しいと患者が笑顔で話していた。
The patient spoke with a smile, saying they could not wait to be discharged.