mathematical precision
matrimonial alliance
matured reflection
maudlin sentimentalism [maudlin = tearfully sentimental]
mawkish insipidity
maximum intensity
meager evidence
mean trickeries
meaningless confusion
measured cadence
mechanical handicraft
meditatively silent
meek ambition
melancholy musing
mellifluous eloquence [mellifluous = flowing with sweetness or honey]
mellow refinement
melodious platitudes
melodramatic resource
melting mood
memorable experience
menacing attitude
mendacious tongue [mendacious = false; untrue]
mendicant pilgrim [mendicant = beggar]
mental metamorphosis
mercenary view
merchantable literature
merciful insensibility
merciless censor
mercurial temperament
mere generalization
meretricious allurements [meretricious = plausible but false]
meridian splendor
merited ridicule
merry jest
metallic immobility
metaphysical obscurity
meteoric splendors
methodical regularity
metrical exactness
microscopic minuteness
mighty animosity
mild rejoinder
militant struggles
military autocracy
millennial reign
mimic gestures
minatory shadow [minatory = menacing or threatening]
mincing precision
mingled decorousness
miniature imitations