| macaroni | macarrão = a kind of pasta; noodle; "my favorite type of pasta is macaroni" |
| mane | crina (cavalo), juba (leão) |
| manioc | mandioca, aipim = cassava (Manihot esculenta) |
| manipulate (to) | manipular, manejar = to operate, to handle, to work or manage skillfully |
| manure (n) / manure (to) | esterco, estrume = dung; material that fertilizes land / adubar (terra), fertilizar |
| maple | bordo, ácer (Acer spp.) |
| mar (to) | estragar, danificar = to cause harm to; to spoil, to impair |
| mare | égua |
| margarine [marjarin] | margarina; "spread some margarine on his toast" |
| maritime [méritaim] | marítimo = of or relating to the sea / maritime law / maritime museum / maritime provinces |
| marmalade | geléia de laranja |
| mash (to) | amassar; "mashed banana"; "mashed potatoes" |
| mast | mastro |
| maverick | dissidente, rebelde, inconformista = one who thinks and acts independently; "a maverick politician" |
| mayonnaise | maionese / mayo = abrev. mayonnaise |
| maze (n) / maze (to) | labirinto = labyrinth // desorientar, confundir = to bewilder |
| measles | sarampo; german measles = rubéola |
| meddle (to) | to meddle in = intrometer-se em / to meddle with = mexer em |
| meek | humilde, manso = humble |
| mellow | 1) doce, maduro (fruta) = tender and sweet because of ripeness / 2) suave (clima, cor, som, vinho; "mellow light of a summer evening"; "this wine is very mellow"; "mellow sound" |
| melon | melão (Cucumis melo) |
| memento | lembrança = souvenir, keepsake |
| memoirs [memuás] | memórias = a narrative composed from personal experience; autobiography |
| menace (n) / menace (to) | ameaça = threat / ameaçar = to threat |
| merchandise (n) / merchandise (to) | mercadoria = goods; wares // negociar, comprar e vender mercadorias |
| mermaid | sereia |
| merry-go-round | carrossel |
| mesh | malha, rede, teia |
| mew (to) / mew | miar; "the hungry cat mewed all night" / miado |
| middleman | intermediário = intermediary; go-between; jobber |
| midget | pessoa muito pequena, anão = a person of unusually small size who is physically well-proportioned; dwarf; "the dwarf in the movie was played by a midget" |
| midwife | parteira |
| millenium | milênio |
| mimic (to) | imitar |
| mince (to) | moer, picar, cortar em pedaços = to grind / minced meat = carne moída = ground meat |
| mindset | atitude mental; cultura, conjunto de valores de uma pessoa ou empresa = a particular way of thinking; a set of opinions about something |
| mingle (to) | misturar = to mix, to blend; to mingle with = misturar |
| mire | pântano, brejo, atoleiro = marsh, bog, swamp |
| mirth / mirthful | alegria = joy, glee, gaiety, cheerfulness, gladness // alegre = glad, cheerful, jolly, merry, joyful, joyous, gleeful |
| miscellaneous | diverso, variado |
| mischievous | travesso = naughty; mischievous kid = criança travessa |
| mistakenly | erroneamente; por engano |
| misfortune | azar, infortúnio = bad luck, mishap |
| mishap | contratempo, desgraça, azar = an unfortunate accident; bad luck, misfortune |
| mitten | mitene; meia luva = a hand covering that surrounds the four fingers together and the thumb separately |
| monorail | monotrilho |
| moor (n) moor (to) | pântano, brejo / atracar, ancorar = to hold and attach (a ship, etc.) in a particular place, as by ropes or anchors; "the sailor moored the boat to the dock" |
| moose | alce (A. Norte) (obs.: elk na Europa e Ásia) |
| mop | esfregão |
| morgue | necrotério |
| morsel | pedaço, bocado = a small piece or amount of anything, especially food; "to eat a few morsels" |
| mortar | argamassa = a mixture of lime or cement with sand and water, used to hold stones, etc., together |
| mosquito | mosquito |
| moth | mariposa; (obs.: clothes-moth = traça) |
| mound (n) / mound (to) | pilha, monte = an elevation of earth / amontoar |
| mourning / mourn (to) / mournful | luto; in mourning = de luto / chorar, lamentar / desolado, triste |
| mow (to) [mou] / mower | cortar grama = to cut grass // cortador de grama = lawnmower |
| muffin | pequeno bolo semelhante ao sonho |
| mulberry | amora (Morus spp.) / (obs.: existe outro tipo de amora que é a amora-silvestre - blackberry do gênero Rubus) |
| mule | mula = an animal produced by a female horse and a male donkey; "a mule is sterile and cannot produce offspring" |
| mull (to) (over) | meditar, refletir, matutar = to think about, to meditate, to ponder |
| multiply (to) / multiplication | multiplicar; "4 times 7 equals 28" / multiplicação |
| mumps | caxumba |
| mushroom (n) / mushroom (to) | cogumelo / espalhar-se, crescer como praga |
| mussel | mexilhão |
| mustard | mostarda |
| mute | 1) mudo = incapable of speech; dumb; "mute from birth" / 2) mudo, não pronunciado (letra); mute letter = letra muda; "the letter B in the word plumb is mute" |
| mutiny | motim = open rebellion against constituted authority, especially by seamen or soldiers against their officers |
| mutter (to) | murmurar, resmungar = to grumble, to mumble |
| mutton | carne de carneiro = the flesh of a mature sheep, used as food |
| muzzle | 1) focinho = the part of the head of an animal that comprises the jaws, mouth, and nose / 2) focinheira = a device, usually an arrangement of straps or wires, placed over an animal's mouth to prevent the animal from biting, etc. |
