1. Marked by continuous change or effective action
   - changing

See also: dynamic, dynamical

• mid-on
• mid-September
• mid-seventies
• mid-sixties
• mid-thirties
• mid-twenties
• mid-water
• midafternoon
• midair
• Midas
• Midas touch
• midazolam
• midbrain
• midday
• midden
• middle
• middle age
• Middle Ages
• middle Atlantic
• middle buster
• middle C
• middle cerebral artery
• middle cerebral vein
• middle distance
• middle ear