'overshadow' definitions:

Definition of 'overshadow'

(from WordNet)
verb
Be greater in significance than; "the tragedy overshadowed the couple's happiness" [syn: overshadow, dominate, eclipse]
verb
Make appear small by comparison; "This year's debt dwarfs that of last year" [syn: shadow, overshadow, dwarf]
verb
Cast a shadow upon; "The tall tree overshadowed the house"

Synonyms of 'overshadow'

From: Moby Thesaurus