1. Plug into an outlet
   - plug in, connect

Type of: enter, infix, insert, introduce

• ultramundane
• ultranationalism
• ultranationalistic
• ultrasonic
• ultrasonically
• ultrasonics
• ultrasonography
• ultrasound
• Ultrasuede
• ultraviolet
• ultraviolet illumination
• ultraviolet lamp
• ultraviolet light
• ultraviolet radiation
• ultraviolet source
• ultraviolet spectrum
• Ulugh Muztagh
• ululant
• ululate
• ululation
• Ulva
• Ulvaceae
• Ulvales
• Ulvophyceae
• Ulysses