concentric, concentrical, homocentric

idiosyncratic, oddball, quirky, kooky, irascible, flamboyant, zany, wacky, offbeat, enigmatic, iconoclastic, dotty, daffy, endearing, demented, cantankerous, loopy, dandyish, egotistical, eclectic, charming, neurotic, clownish, raffish, misanthropic, dandified, curmudgeonly, genial, bizarre, mischievous, outlandish, whimsical, roguish, loner, scatty, unhinged, straitlaced, hermitic, nutty, ungifted, elfish, absurdist, egocentric, scatterbrained, idiot savant, reclusive, amiable, runyonesque, bon vivant, irreverent, avuncular, nerdish, loveable, unprepossessing, unorthodox, extrovert, lumpish, nonconformist, foppish, impish, oafish, crotchety, pompous, garrulous, lovable, aristocratic, puckish, affable, anarchic, schizophrenic, goofy, adventurous, flighty, introverted, rebellious, bookish, manic, waspish, mercurial, diffident, acerbic, itinerant, gregarious, archetypal, incommunicative, snobbish, sardonic, bohemian, priggish, ingratiating, obsessive, barrow boy, unassertive, unassuming, inventive, charismatic, likeable, taciturn, brattish, imaginative, uptight, anachronism, angles, appellative, atomicity, boolean, bounce, braid, braids, bump, byte, cadenza, chaplet, chignon, chirp, chromosome, clicking, cognomen, coincidence, combo, contrast, excentric, opinionated, impulsive, extroverted, reticent, disreputable, sociable, unconventional, virtuous, boorish, decorous, mannered, virile, willed

crackpot, crank, fruitcake, nut, nutcase, screwball

bloke, codger, construct, contrariness, crackpot, crank, crankiness, creep, crotchetiness, cummings, e. e. cummings, edward estlin cummings, fruitcake, geezer, genus pleurotus, grumpiness, kook, nut, nutcase, nutter, nut case, odd fellow, odd fish, odd man out, old codger, pleurotus, queer bird, queer duck, screwball, spook, unwomanly, wacko, weirdie, weirdo, weirdy, whacko

adult, anomaly, grownup, unusual person

acentric, case, character, eccentric person, flaky, freakish, freaky, geek, nonconcentric, off-center, off-centered, outre, type