Catholic Dictionary
Find accurate definitions of over 5,000 Catholic terms and phrases (including abbreviations). Based on Fr. John Hardon's Modern Catholic Dictionary, © Eternal Life. Used with permission.
Browsing by the letter 'M'
- M
- m
- M.A.
- M.C.
- M.H.
- M.R.
- MAASTRICHT
- MACCABEES
- MACE
- MACEDONIANISM
- MACHABEES
- MACHIAVELLIANISM
- MADHU, OUR LADY OF
- MADONNA
- MAESTRO DI CAMERA
- MAG.
- MAGDALENE, MARY
- MAGI
- MAGIC
- MAGISTERIUM
- MAGISTERIUM, EXTRAORDINARY
- MAGISTERIUM, ORDINARY
- MAGISTRACY
- MAGNANIMITY
- MAGNIFICAT
- MAGNIFICENCE
- MAJOR BASILICA
- MAJOR ORDERS
- MAJOR SACRAMENTS
- MAJOR SUPERIOR
- MALA FIDE
- MALABAR CHRISTIANS
- MALABAR RITES
- MALACHI
- MALEVOLENCE
- MALICE
- MALIGN
- MALO ANIMO
- MALTESE CROSS
- MALUM IN SE
- MAMMON
- MAN
- MANASSEH
- MAND.
- MAND. AP.
- MANDATUM
- MANICHAEISM
- MANIFESTATION OF CONSCIENCE
- MANIPLE
- MANNA
- MANSE
- MANTELLETTA
- MANUSCRIPTS, ILLUMINATED
- MANY QUESTIONS
- MARANATHA
- MARCIONISM
- MARCOSIANS
- MARIAN ART
- MARIAN LITERATURE
- MARIANISTS
- MARIAVITES
- MARIAZELL (shrine)
- MARIOLATRY
- MARIOLOGY
- MARISTS
- MARITAL RIGHTS
- MARK
- MARKS OF THE CHURCH
- MARONITE LITURGY
- MARONITES
- MARRANO
- MARRIAGE
- MARRIAGE BOND
- MARRIAGE BY PROXY
- MARRIAGE ENCOUNTER
- MART., M., MM.
- MARTHA
- MARTYR
- MARTYRDOM
- MARTYROLOGIES
- MARTYROLOGY, ROMAN
- MARTYRS' SHRINE
- MARTYRS, ACTS OF THE
- MARXISM
- MARY OF THE CRIB, ST
- MARY, NAME OF
- MARY, THE BLESSED VIRGIN (in the Bible)
- MARY'S DEATH
- MARY'S LENT
- MARY'S SINLESSNESS
- MARY'S VIRGINITY
- MASOCHISM
- MASS
- MASS FOR THE PEOPLE
- MASS INTENTION
- MASS OBLIGATION
- MASS OF THE PRESANCTIFIED
- MASS PENNY
- MASS RITUAL
- MASS STIPEND
- MASS, CONCLUSION OF
- MASS, INTRODUCTORY RITE
- MASSA CANDIDA
- MASTER OF CEREMONIES
- MASTER OF THE SACRED PALACE
- MASTURBATION
- MAT.
- MATER DOLOROSA
- MATERIAL CAUSE
- MATERIAL CO-OPERATION
- MATERIAL HERESY
- MATERIAL SIN
- MATERIALISM
- MATERIALLY EVIL
- MATINS
- MATRIMONIA MIXTA
- MATRIMONIAL CONTRACT
- MATRIMONIAL COURT
- MATRIMONIAL JURISDICTION
- MATRIMONII SACRAMENTUM
- MATRIMONIUM NON CONSUMMATUM
- MATRIMONY
- MATTATHIAS
- MATTER
- MATTER OF A SACRAMENT
- MATTER, SACRAMENTAL
- MATTHEW
- MATTHIAS
- MAUNDY THURSDAY
- MAURISTS
- MAY
- MAY CROWNING
- MAY LAWS
- MEAN
- MEANING
- MEANS
- MEANS OF SOCIAL COMMUNICATION
- MEANS-END
- MEASURE
- MEAT
- MECHANISM
- MECHITARISTS or MEKHITARISTS
- MEDALS
- MEDIATOR
- MEDIATOR DEI
- MEDIATRIX
- MEDIEVAL MUSIC
- MEDITATION
- MEDIUM
- MEEKNESS
- MELANCHOLIC TEMPERAMENT
- MELANCHOLY
- MELCHIZEDEK
- MELITIAN SCHISM
- MELKITES
- MEMENTO OF THE DEAD
- MEMENTO OF THE LIVING
- MEMORARE
- MEMORIAL
- MEMORIZATION
- MEMORY
- MENDACITY
- MENDICANT FRIARS
- MENOLOGY
- MENSA
- MENTAL PRAYER
- MENTAL RESERVATION
- MENTICIDE
- MERCEDARIANS
- MERCY
- MERCY KILLING
- MERIT
- MESSALIANS
- MESSIAH
- MESSIANIC BANQUET
- METANOIA
- META-OUSIOSIS
- METAPHYSICAL CERTITUDE
- METAPHYSICAL DUALISM
- METAPHYSICAL EVIL
- METAPHYSICAL UNIT
- METAPHYSICS
- METAPSYCHOLOGY
- METEMPSYCHOSIS
- METHOD
- METHODICAL DOUBT
- METHODOLOGY
- METHUSELAH
- METROPOLITAN
- MGR., MSGR.
- MICAH
- MICAIAH
- MICHAEL
- MICHAL
- MIDDLE AGES
- MIDRASH
- MIGNE PATROLOGIA
- MIGRANTS AND TOURISM, COMMISSION FOR
- MILANESE RITE
- MILDNESS
- MILITANT CHURCH
- MILITARY VICARIATE
- MILLENNIUM
- MINA
- MIND
- MIND DUST
- MIND OF THE CHURCH
- MINIMS
- MINISTER
- MINISTERIA QUAEDAM
- MINISTERIAL PRIESTHOOD
- MINISTERIORUM DISCIPLINA
- MINISTRIES
- MINISTRY
- MINISTRY OF THE WORD
- MINOR BASILICA
- MINOR ORDERS
- MIRACLE
- MIRACLE OF GRACE
- MIRACLE PLAY
- MIRACLES OF CHRIST
- MIRACULOUS MEDAL
- MIRACULOUS MEDAL (shrine)
- MIRAE CARITATIS
- MIRIAM
- MIRROR
- MISERERE
- MISERICORDE
- MISS.
- MISS. APOST., M.A.
- MISSAL
- MISSALE ROMANUM
- MISSIOLOGY
- MISSION
- MISSIONARY
- MITER
- MITIGATED TUTIORISM
- MIXED CONTEMPLATION
- MIXED MARRIAGE
- MIXED MARRIAGE PROMISES
- MODALISM
- MODALITY
- MODEL
- MODERATION
- MODERN ARIANISM
- MODERN WORLD
- MODERNISM
- MODESTY
- MOKAMEH (shrine)
- MOLECH
- MOLINISM
- MOLOCH
- MOMENT OF TRUTH
- MONARCHIANISM
- MONASTERY
- MONASTIC CONGREGATION
- MONASTICISM
- MONDAY
- MONISM
- MONISTIC EVOLUTION
- MONITION
- MONK
- MONOGAMY
- MONOGENISM
- MONOGRAMS
- MONOPHYSITISM
- MONOTHEISM
- MONOTHELITISM
- MONSIGNOR
- MONSTRANCE (emblem)
- MONTANISM
- MONTH'S MIND
- MONTHS, DEDICATION OF THE
- MONTSERRAT (shrine)
- MORAL
- MORAL ACT
- MORAL ARGUMENT
- MORAL CAUSE
- MORAL CERTITUDE
- MORAL DETERMINANTS
- MORAL EVIL
- MORAL FORCES
- MORAL FREEDOM
- MORAL GOOD
- MORAL HOLINESS
- MORAL LAW
- MORAL MIRACLE
- MORAL ORDER
- MORAL POSITIVISM
- MORAL RELATIVISM
- MORAL SUBJECTIVISM
- MORAL SYSTEM
- MORAL THEOLOGY
- MORAL UNIT
- MORAL VIRTUE
- MORALITY
- MORALITY IN MEDIA
- MORALITY OF MUSIC
- MORDECAI
- MORES
- MORGANATIC MARRIAGE
- MORISCOS
- MORNING OFFERING
- MORNING PRAYER
- MORNING-AFTER PILL
- MOROSE PLEASURE
- MORTAL SIN
- MORTIFICATION
- MORTMAIN
- MORTUARIUM
- MOSAIC LAW
- MOSES
- MOTET
- MOTHER CHURCH
- MOTHER OF GOD
- MOTHER OF GOOD COUNSEL SCAPULAR
- MOTHER OF THE CHURCH
- MOTHERHOUSE
- MOTHERING SUNDAY
- MOTION
- MOTIVATED ERROR
- MOTIVATIONAL HIERARCHY
- MOTIVE
- MOTIVES OF CREDIBILITY
- MOTTO
- MOTU PROPRIO
- MOUNT CARMEL SCAPULAR
- MOVABLE ALTAR
- MOVABLE FEASTS
- MOZARABIC RITE
- MOZZETTA
- MPROP
- MSGR
- MUNIFICENCE
- MURATORIAN CANON
- MURDER
- MUSICAM SACRAM
- MUTILATION
- MYRRH
- MYSTERIES OF THE ROSARY
- MYSTERY
- MYSTERY OF FAITH (liturgy)
- MYSTERY OF THE HOLY SPIRIT
- MYSTERY PLAY
- MYSTERY THEOLOGY
- MYSTICAL BODY
- MYSTICAL INTERPRETATION
- MYSTICAL ROSE
- MYSTICAL THEOLOGY
- MYSTICAL UNION
- MYSTICI CORPORIS CHRISTI
- MYSTICISM
- MYTH