Pronunciation: ˈmæskər
Part of speech: noun/verb
Definition: the killing of a large number of people, especially indiscriminately; to kill (people or animals) in large numbers and with brutal violence
Irregular spelling and irregular forms: massacres (plural, noun), massacred (verb)
Formal or informal: formal
Countable or uncountable: countable (noun)
Transitive or intransitive: transitive (verb), intransitive (noun)
Stress marks: mas-sa-cre (noun), mas-sa-cred (verb)
Synonym: slaughter, butchery (noun), kill, slay (verb)
Opposite: rescue, save (verb), peace, harmony (noun)
The massacre at the school shocked the entire community
Pronunciation: ˈmæstərpiːs
Part of speech: noun
Irregular spelling and irregular forms: masterpieces (plural)
Formal or informal: formal
Countable or uncountable: countable
Transitive or intransitive: intransitive
Stress marks: mas-ter-piece
Synonym: magnum opus, tour de force
Opposite: failure, flop
The Mona Lisa is considered to be a masterpiece of Renaissance art
Pronunciation: ˈmɛdɪəʊkə
Part of speech: adjective
Irregular spelling and irregular forms: mediocre (alternate spelling)
Formal or informal: formal
Countable or uncountable: uncountable
Transitive or intransitive: intransitive
Stress marks: me-di-o-cre
Synonym: average, ordinary
Opposite: excellent, outstanding
The food at the restaurant was mediocre at best
Pronunciation: ˈmɜrsɪfəl
Part of speech: adjective
Formal or informal: formal
Countable or uncountable: uncountable
Transitive or intransitive: intransitive
Stress marks: mer-ci-ful
Synonym: forgiving, kind
Opposite: merciless, cruel
The judge showed mercy to the defendant and gave him a reduced sentence
Pronunciation: mɪr
Part of speech: adjective/noun
Definition: used to emphasize how small or insignificant someone or something is; a lake or pool, especially a small one
Irregular spelling and irregular forms: merer (comparative), merest (superlative)
Formal or informal: both
Countable or uncountable: countable (noun)
Transitive or intransitive: intransitive (adjective)
Stress marks: mere (adjective), mere (noun)
Synonym: insignificant, small (adjective), lake, pond (noun)
Opposite: significant, important (adjective), ocean, sea (noun)
The mere thought of public speaking makes her nervous
Pronunciation: ˈmɛrɪt
Part of speech: noun/verb
Irregular spelling and irregular forms: merits (plural, noun), merited (verb)
Formal or informal: formal
Countable or uncountable: uncountable (noun)
Transitive or intransitive: transitive (verb), intransitive (noun)
Stress marks: mer-it
Synonym: worth, excellence (noun), deserve, earn (verb)
Opposite: demerit, fault (noun), unworthy, undeserving (verb)
The student’s hard work and dedication earned her high merit in the eyes of her teacher
Pronunciation: məˈtɪkjʊləs
Part of speech: adjective
Formal or informal: formal
Countable or uncountable: uncountable
Transitive or intransitive: intransitive
Stress marks: me-tic-u-lous
Synonym: careful, thorough
Opposite: careless, sloppy
The artist was meticulous in her painting, spending hours on each brushstroke
Pronunciation: ˈmɪnɪtʃər
Part of speech: adjective/noun
Irregular spelling and irregular forms: miniatures (plural, noun)
Formal or informal: both
Countable or uncountable: countable (noun)
Transitive or intransitive: intransitive (adjective)
Stress marks: mi-ni-a-ture
Synonym: tiny, small (adjective), model, replica (noun)
Opposite: large, full-sized (adjective), original, life-size (noun)
The artist created a beautiful miniature of a castle, complete with tiny details
Pronunciation: ˈmɪshæp
Part of speech: noun
Irregular spelling and irregular forms: mishaps (plural)
Formal or informal: both
Countable or uncountable: countable
Transitive or intransitive: intransitive
Stress marks: mis-hap
Synonym: accident, misfortune
Opposite: success, triumph
The trip was going smoothly until a mishap with the car caused a delay
Pronunciation: ˌmɪsɪntəprɪˈteɪʃən
Part of speech: noun
Irregular spelling and irregular forms: misinterpretations (plural)
Formal or informal: formal
Countable or uncountable: countable
Transitive or intransitive: intransitive
Stress marks: mis-in-ter-pre-ta-tion
Synonym: misunderstanding, misconception
Opposite: understanding, comprehension
The misinterpretation of the instructions led to confusion among the team members
Pronunciation: maʊnt
Part of speech: verb/noun
Irregular spelling and irregular forms: mounts (plural, noun), mounted (verb)
Formal or informal: both
Countable or uncountable: countable (noun)
Transitive or intransitive: transitive (verb), intransitive (noun)
Stress marks: mount (verb), mount (noun)
Synonym: climb, ascend (verb), peak, summit (noun)
Opposite: descend, dismount (verb), valley, plain (noun)
She mounted her horse and rode off into the sunset
Pronunciation: ˈmɜrmər
Part of speech: verb/noun
Irregular spelling and irregular forms: murmurs (plural, noun), murmured (verb)
Formal or informal: both
Countable or uncountable: countable (noun)
Transitive or intransitive: intransitive (verb), transitive (noun)
Stress marks: mur-mur
Synonym: whisper, mumble (verb), hum, drone (noun)
Opposite: shout, yell (verb), silence, quiet (noun)
The sound of the waves murmuring on the shore was soothing to her
Pronunciation: ˈmʌsl
Part of speech: noun/verb
Definition: a specialized tissue in the body that produces movement; to use one’s strength or power to do something
Irregular spelling and irregular forms: muscles (plural)
Formal or informal: both
Countable or uncountable: countable
Transitive or intransitive: intransitive (verb), transitive (noun)
Stress marks: mus-cle
Synonym: brawn, sinew (noun), exert, strain (verb)
Opposite: weakness, frailty (noun), relax, rest (verb)
He flexed his muscles to show off his strength
Pronunciation: məˈlɪʃəs
Part of speech: adjective
Formal or informal: formal
Countable or uncountable: uncountable
Transitive or intransitive: intransitive
Stress marks: ma-lic-ious
Synonym: malevolent, spiteful
Opposite: benevolent, kind
The malicious rumors spread by the gossip caused harm to many people’s reputations
Pronunciation: ˈmɑrdʒɪn
Part of speech: noun
Irregular spelling and irregular forms: margins (plural)
Formal or informal: both
Countable or uncountable: countable
Transitive or intransitive: intransitive
Stress marks: mar-gin
Synonym: border, edge
Opposite: center, core
He won the race by a narrow margin of only a few seconds