re ‧ ap ‧ pear /ˌriːəˈpɪə $ -ˈpɪr/ BrE AmE verb [intransitive]
[ Word Family: verb : ↑ appear ≠ ↑ disappear , ↑ reappear ; noun : ↑ appearance ≠ ↑ disappearance , ↑ reappearance ]
to appear again after not being seen for some time:
In March, his cancer reappeared.
Many of these ideas reappear in his later books.
—reappearance noun [uncountable and countable]