| Main Entry: | |
| Part of Speech: | noun |
| Definition: | center |
| Synonyms: | core, deep, focus, halfway, halfway point, heart, inside, marrow, mean, media, midpoint, midriff, midsection, midst, thick, waist |
| Antonyms: | border, margin, outside |
| Main Entry: | abdomen |
| Part of Speech: | noun |
| Definition: | the stomach and area directly below in an animate being |
| Synonyms: | bay window, belly, bowels, breadbasket, corporation, gut, guts, intestines, middle, midriff, midsection, paunch, pot, potbelly, spare tire, tummy, venter, viscera |
| Main Entry: | average |
| Part of Speech: | noun |
| Definition: | normal, typical amount |
| Synonyms: | mean, median, medium, middle, midpoint, norm, par, rule, standard, usual |
| Antonyms: | abnormality, exception, extreme, unusual |
| Main Entry: | core |
| Part of Speech: | noun |
| Definition: | center, gist |
| Synonyms: | amount, base, basis, body, bottom line, bulk, burden, consequence, corpus, crux, essence, focus, foundation, heart, import, importance, kernel, main idea, mass, meat and potatoes, meat*, middle, midpoint, midst, nitty gritty, nub, nucleus, origin, pith, pivot, purport, quick, root, significance, staple, substance, thrust, upshot |
| Antonyms: | covering, exterior, exteriority, outside, perimeter, surface |
| Main Entry: | deep |
| Part of Speech: | noun |
| Definition: | the sea |
| Synonyms: | Davy Jones's locker, Poseidon's realm, blue*, brine, briny, drink*, main, middle, ocean, the high seas |
| Main Entry: | heart |
| Part of Speech: | noun |
| Definition: | essence, central part |
| Synonyms: | basic, bosom, bottom line, center, coal and ice, core, crux, focal point, focus, gist, hub, kernel, marrow, middle, nitty-gritty, nub, nucleus, pith, polestar, quick*, quintessence, root, seat, soul |
| Antonyms: | exterior, exteriority, outside, periphery, surface |
| Main Entry: | hub |
| Part of Speech: | noun |
| Definition: | center, focal point |
| Synonyms: | core, focus, heart, middle, nerve center, pivot, polestar, seat |
| Antonyms: | exterior, exteriority, outside |
| Main Entry: | mean |
| Part of Speech: | noun |
| Definition: | average |
| Synonyms: | balance, center, compromise, happy medium, median, middle, middle course, midpoint, norm, par |
| Notes: | the median is the halfway point, dividing a series of numbers in half - while a mean is the average of the sum of the series |
| Antonyms: | extreme |
| Main Entry: | insides |
| Part of Speech: | noun |
| Definition: | interior |
| Synonyms: | belly, bowels, center, components, contents, entrails, guts*, heart, innards, inner parts, internal organs, middle, recesses, soul, viscera, womb, workings |