1. Free from emotional agitation or nervous tension
   "the waiters were unflurried and good natured"
   - unflustered, unperturbed, unruffled

See also: composed

• unmethodical
• unmilitary
• unmindful
• unmindfully
• unmindfulness
• unmined
• unmingled
• unmissable
• unmistakable
• unmistakably
• unmistakeable
• unmitigable
• unmitigated
• unmixable
• unmixed
• unmoderated
• unmodernised
• unmodernized
• unmodifiable
• unmodified
• unmodulated
• unmolested
• unmoor
• unmoral
• unmortgaged