To cast a shadow over; darken or obscure.(verb-transitive)
To make insignificant by comparison; dominate.(verb-transitive)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "overshadow" in a sentence
"The word overshadow here means, rather, to be diffused or spread over them."
"However, the difficulty there is finding someone who can demand the kind of budget the film needs while not having his name overshadow the character."
"Even if the wines are well-made, will the name overshadow the success of the winermaker?"