[Sword & Shield] Wild Area

I'm sorry if this was asked already, when in the wild area, what happens if you accidentally defeat a strong pokemon you were trying to catch? Does it eventually respawn? Or am I just out of luck? Thanks in advance.

They should respawn! Though I'm not sure if it's immediate. Some people say it's 24 hours later, but I'm not sure how accurate that is. You can definitely be assured they'll come back at some point though.