1. That is to say; in other words
   - i.e., ie

Encyclopedia: Id est

• unusefulness
• unusual
• unusual person
• unusually
• unusualness
• unutterable
• unutterably
• unuttered
• unvaccinated
• unvalued
• unvaned
• unvanquishable
• unvanquished
• unvaried
• unvariedness
• unvarnished
• unvarying
• unveil
• unveiled
• unveiling
• unvendible
• unvented
• unventilated
• unverbalised
• unverbalized