/ˌoʊvərˈʃædoʊ/
over·shadow
BrE /ˌəʊvəˈʃædəʊ/
NAmE /ˌoʊvərˈʃædoʊ/
[often passive]
~ sb/sth
to make sb/sth seem less important, or successful
He had always been overshadowed by his elder sister.
~ sth
to make an event less enjoyable than it should be
SYN cloud
News of the accident overshadowed the day’s events.
~ sth
to throw a shadow over sth
The garden is overshadowed by tall trees.