ostracize or ostracise /osˈtrə-sīz/

1. To exclude from society or from one's social group
2. In ancient Greece, to banish by popular vote, the voters writing on potsherds the name of the person they wanted banished

osˈtracism /-sizm/ noun

1. Expulsion from society
2. Banishment by ostracizing

• killjoy
• killjoys
• kill line
• kill lines
• killock
• killocks
• kill off
• killogie
• killogies
• kills
• kill string
• kill the fatted calf
• kill the messenger
• kill time
• kill-time
• kill two birds with one stone
• kill up
• killut
• killuts
• Kilmarnock
• Kilmarnock cowl
• kiln
• kiln-dried
• kiln-dry
• kiln-drying