Mutual  (आपसी, परस्पर) 

Synonyms : joint, identical, correlative, reciprocal 

Antonyms : separate, distinct, divergent, individual 

Mutinous  (झगड़ालू, विद्रोही) 

Synonyms : recalcitrant, insurgent, unruly, revolutionary 

Antonyms : submissive, faithful, compliant, loyal 

Murky  (अंधेरा, धुंधला) 

Synonyms : dusky, dreary, dismal, bleak 

Antonyms : bright, shining, luminous, radiant 

Munificent (उदार, दयालु) 

Synonyms : liberal, hospitable, benevolent, kind 

Antonyms : frugal, penurious, moderate, economical 

Multitude (झुंड, भीड़) 

Synonyms : crowd, throng, mass, swarm 

Antonyms : minority, handful, paucity, scarcity 

Morose  (उदास, रूखा) 

Synonyms : surly, sulky, sullen, depressed 

Antonyms : sprightly, animated, buoyant, blithe 

Monotonous (एक स्वर में, थकाना) 

Synonyms : irksome, tedious, humdrum, insipid 

Antonyms : varied, pleasant, appealing, captivating 

Momentous (जरूरी, महत्वपूर्ण) 

Synonyms : notable, eventful, consequential, stirring 

Antonyms : trivial, insignificant, commonplace, immaterial  

Mollify (नर्म करना, मुलायम करना) 

Synonyms : appease, assuage, relieve, mitigate 

Antonyms : irritate, infuriate, aggravate, exasperate 

Molest  (सताना, छेड़छाड़ करना) 

Synonyms : pester, harass, vex, misbehave 

Antonyms : console, soothe, comfort, cheer 

Modest  (सदाचारी, साधारण, सविनय) 

Synonyms : reserved, unpretentious, humble, courteous  

Antonyms : audacious, arrogant, pompous, vain 

Moderate  (शांत, मध्यम, मन्दा) 

Synonyms : limited, reasonable, lenient, temperate 

Antonyms : excessive, extravagant, violent, vehement 

Mitigate (कम करना, घटाना) 

Synonyms : alleviate, relieve, lessen, assuage 

Antonyms : augment, enhance, intensify, aggravate 

Miraculous (चमत्कारी, अद्भुत) 

Synonyms : marvelous, extraordinary, astounding, amazing  

Antonyms : ordinary, trivial, familiar, natural 

Minute  (छोटा, सूक्ष्म, बारीक) 

Synonyms : diminutive, miniature, small, microscopic 

Antonyms : large, colossal, stupendous, immense 

Mettle  (उत्साह, दिलेरी, साहस) 

Synonyms : courage, determination, stamina, spirit 

Antonyms : timidity, fear, cowardice, diffident 

Meritorious (गुणवान, प्रशंसा योग्य) 

Synonyms : commendable, admirable, deserving, praiseworthy 

Antonyms : unworthy, infamous, disreputable, culpable 

Mercurial  (अस्थिर, सक्रिय) 

Synonyms : variable, changeable, unstable, erratic 

Antonyms : stable, constant, steady, steadfast 

Mendacity  (झूठ, मिथ्यावादिता) 

Synonyms : falsehood, deception, perjury, perfidious 

Antonyms : probity, honesty, veracity, candour 

Melodious  (मधुर, सुरीला) 

Synonyms : dulcet, musical, harmonious, sweet 

Antonyms : grating, dissonant, discordant, rancour