This list contains all the adverbs used in the English language that start with M. It includes negative and positive adverbs with M to describe a person.
| Macroscopically | Madly | Magically |
| Magisterially | Magistrally | Magnanimously |
| Magnetically | Magnificently | Magniloquently |
| Maidenly | Maimedly | Mainly |
| Majestically | Maladroitly | Malapropos |
| Malevolently | Malgre | Maliciously |
| Malignantly | Malignly | Manageably |
| Managerially | Mandatorily | Manfully |
| Mangily | Maniacally | Manifestly |
| Manifoldly | Manipulatively | Manlessly |
| Manly | Mannerly | Manually |
| Manward | Manyfold | Manyways |
| Manywise | Marginally | Markedly |
| Marketwise | Martially | Martyrly |
| Marvellously | Marvelously | Masochistically |
| Massively | Masterfully | Masterly |
| Materialistically | Materially | Maternally |
| Mathematically | Matrilineally | Matrimonially |
| Matronly | Maturely | Mauger |
| Maugre | Mawkingly | Mawkishly |
| Maximally | Maybe | Mayhal |
| Mazily | Meagerly | Meagrely |
| Meaningfully | Meanly | Meantime |
| Meanwhile` | Measurably | Measuredly |
| Mechanically | Meddlingly | Mediaevally |
| Medially | Mediately | Medically |
| Medicinally | Meedfully | Meekly |
| Mellowly | Memorably | Memoriter |
| Menacingly | Menially | Mentally |
| Mercenarily | Mercifully | Mercurially |
| Merely | Meridionally | Meritedly |
| Merrily | Mesad | Mesally |
| Mesiad | Mesially | Messily |
| Metallicly | Metamerically | Metaphysically |
| Meticulously | Metrically | Microscopically |
| Middling | Midships | Midst |
| Midward | Midway | Mightily |
| Mighty | Mildly | Militarily |
| Milkily | Mimically | Minatorially |
| Minatorily | Mincingly | Mindfully |
| Mindlessly | Mineralogically | Mingledly |
| Minglingly | Minimally | Ministerially |
| Minutely | Mirthfully | Misapprehensively |
| Miserably | Missingly | Mistakenly |
| Mistakingly | Mistily | Mistrustingly |
| Mixedly | Mixtly | Mockingly |
| Modally | Moderately | Modernly |
| Modestly | Modishly | Moistly |
| Molecularly | Molliently | Molto |
| Momentally | Momentarily | Momently |
| Monastically | Monatomic | Monaurally |
| Moneyed | Monitorially | Monstrous |
| Monthly | Monumentally | Moodily |
| Moodishly | Moonily | Morally |
| Morbidly | Mordantly | More |
| Moreover | Morning | Mornward |
| Morosely | Mortally | Mortifyingly |
| Mosaically | Most | Mostly |
| Mostwhat | Motherly | Mountingly |
| Mournfully | Mourningly | Movably |
| Movingly | Much | Muchwhat |
| Muddily | Mulierly | Mulishly |
| Multifariously | Multiplicatively | Multiply |
| Mundanely | Municipally | Murkily |
| Muscularly | Musically | Musingly |
| Musinglynear | Mutably | Mutely |
| Mutually | Mysteriously | Mystically |
