ichidan verb, intransitive verb
miss out on going; fail to go
Used when someone intended to go somewhere but missed the chance, often due to circumstances or hesitation. The verb is intransitive and takes the place as a destination with に.
忙しくて、旅行に行きそびれた。
I was so busy that I missed out on going on the trip.
映画に行きそびれて、もう上映が終
I failed to go to the movie, and now it's no longer showing.