1. Not reserved in advance

See also: unreserved

• unmindfulness
• unmined
• unmingled
• unmissable
• unmistakable
• unmistakably
• unmistakeable
• unmitigable
• unmitigated
• unmixable
• unmixed
• unmoderated
• unmodernised
• unmodernized
• unmodifiable
• unmodified
• unmodulated
• unmolested
• unmoor
• unmoral
• unmortgaged
• unmotivated
• unmotorised
• unmotorized
• unmourned