1. The status of being a citizen of two countries at the same time
   - dual citizenship

Encyclopedia: Dual nationality

• unilateralism
• unilateralist
• unilaterally
• unilingual
• unilluminated
• unilluminating
• unilocular
• unimaginable
• unimaginably
• unimaginative
• unimaginatively
• unimagined
• unimitable
• unimodal
• unimpaired
• unimpassioned
• unimpeachable
• unimpeachably
• unimpeded
• unimportance
• unimportant
• unimposing
• unimpregnated
• unimpressed
• unimpressionable