somniferous/somʹnifərəs/ adj

• up the pole
• up the spout
• up the wall
• upthrow
• upthrust
• uptight
• uptime
• up to
• up to a point
• up-to-date
• up to now
• up to one's ears
• up to one's eyebrows
• up to one's neck in
• up to one's (old) tricks (again)
• up top
• up to scratch
• up to snuff
• up to speed
• up to the elbows in/with
• up to the mark
• up-to-the-minute
• uptown
• upturn
• UPU