Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [873]
2middle noun 1 : a middle part, point, or position
2 : the central portion of the human body : WAIST
3 : the position of being among or in the midst of something Synonyms [1] center, mean, medium, midpoint—more at MEAN [2] midriff, waist—more at MIDRIFF [3] deep, depth, height, midst, thick—more at THICK middle age noun : the period of life from about 45 to about 64 — mid·dle–aged adjective Middle Ages noun plural : the period of European history from about A.D. 500 to about 1500 mid·dle·brow noun : a person who is moderately but not highly cultivated — middlebrow adjective middle class noun : a social class holding a position between the upper class and the lower class — middle–class adjective middle ear noun : a small membrane-lined cavity of the ear through which sound waves are transmitted by a chain of tiny bones middle finger noun : the midmost of the five digits of the hand mid·dle·man noun 1 : an intermediary or agent between two parties 2 : one who is intermediate between the producer of goods and the retailer or consumer Synonyms arbiter, arbitrator, go-between, intercessor, intermediary, mediator, peacemaker—more at MEDIATOR middle–of–the–road adjective : standing for or following a course of action midway between extremes; especially : being neither liberal nor conservative in politics — mid·dle–of–the–road·er noun — mid·dle–of–the–road·ism noun middle school noun : a school usu. including grades 5 to 8 or 6 to 8 mid·dle·weight noun : one of average weight; especially : a boxer weighing not over 160 pounds mid·dling adjective 1 : of middle, medium, or moderate size, degree, or quality 2 : of moderate or low quality, value, ability, or performance : MEDIOCRE Synonyms common, fair, indifferent, mediocre, medium, ordinary, passable, run-of-the-mill, second-rate, so-so—more at MEDIOCRE mid·dy noun, plural middies : MIDSHIPMAN midge noun : a very small fly : GNAT midg·et noun 1 sometimes offensive : a very small person 2 : something (as an animal) very small for its kind Synonyms dwarf, mite, peewee, pygmy, runt, scrub, shrimp—more at DWARF midi noun : a calf-length dress, coat, or skirt MIDI noun [ORIGIN: musical instrument digital interface] : a proctocol for the transmission of digitally encoded music mid·land noun : the interior or central region of a country mid·life noun : MIDDLE AGE midlife crisis noun : a period of emotional turmoil in middle age characterized esp. by a strong desire for change mid·most adjective : being in or near the exact middle — midmost adverb Synonyms halfway, intermediary, intermediate, median, medium, middle—more at MIDDLE mid·night noun : 12 o'clock at night mid–ocean ridge noun : an elevation on an ocean floor at the boundary of diverging tectonic plates mid·point noun : a point at or near the center or middle Synonyms mean, medium, middle—more at MEAN center, core, middle, midst—more at CENTER mid·riff noun [ORIGIN: ME midrif, fr. OE midhrif, fr. midde mid + hrif belly] 1 : DIAPHRAGM 1 2 : the mid-region of the human torso Synonyms middle, waist; also abdomen, torso, trunk mid·sec·tion noun : a section midway between the extremes; especially : MIDRIFF 2 mid·ship·man noun : a student in a naval academy mid·ships adverb : AMIDSHIPS 1midst noun 1 : the interior or central part or point 2 : a position of proximity to the members of a group 3 : the condition of being surrounded or beset Synonyms [1] center, core, middle, midpoint—more at CENTER [3] deep, depth, height, middle, thick—more at THICK 2midst preposition : in the midst of Synonyms amid, among, through—more at AMONG mid·stream noun : the middle of a stream mid·sum·mer noun 1 : the middle of summer 2 : the summer solstice mid·town noun : a central