To ostracize is to deliberately exclude or leave someone out.verb
An example of ostracize is when you don't invite one person in the class to a party that everyone else is going to.YourDictionary definition and usage example. Copyright © 2013 by LoveToKnow Corp.
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transitive verb os·tra·cized, os·tra·ciz·ing, os·tra·ciz·es
- To exclude from a group. See Synonyms at blackball.
- To banish by ostracism, as in ancient Greece.
Origin: Greek ostrakizein, from ostrakon, shell, potsherd (from the potsherds used as ballots in voting for ostracism); see ost- in Indo-European roots.