centermost

inside interior intermediary intermediate mean midpoint midway

at halfway point deepest equidistant inmost inner innermost internal medial mid middlemost

exterior external extreme outer outside

bordering edging marginal peripheral

intermediate

average center inside intervening mainstream mean median medium mezzo

between betwixt and between equidistant halfway inner medial middle-of-the-road middlemost midmost smack in the middle straddling the fence

exterior extreme outside

border outer

halfway

average center central inside intermediate mainstream mean median medium mezzo

between betwixt and between equidistant inner intervening medial mid middle-of-the-road middlemost midmost smack in the middle straddling the fence

exterior extreme outside peripheral

average center central intermediary intermediate mean midpoint midway par

equidistant halfway medial mid middlemost midmost

extreme