To delete glossary entry in Zanata, the command-line client's glossary-delete command can be used.

zanata-cli glossary-delete --id 1005

This command will:

1. Look up the server config from zanata.xml.
2. Delete glossary entry with id 1005

To delete all system glossary entries

zanata-cli glossary-delete --all

To delete all project glossary entries

zanata-cli glossary-delete --all --project project1

To see all options available for glossary-delete option:

zanata-cli help glossary-delete