brain teaser Definition

enigma, puzzle, problem, question, riddle, clip, comb, cube, going, hairdo, lead, neuro, annoy, coif, implantation, neologism, root, roots, worm, creation, learning, pea, iontophoresis, abstract, acceptance, acne, alkali, alliteration, ana, ante, anti, anticipation, appearance, application, applied, arch, archie, arrival, artifact, badger, ban, bantering, begin, bore, break, brief, bring, bringing, casino, catheter, chaff, cold, conclude, constant, cot, crystal, culture, curtsy, dale, dare, demon, deposition, devil, ego, eib, emcee, enter, entry, establish, establishment, eta, euler, even, exchanged, first, fixation, foam, for, form, format, fret, fretfulness, fretting, fun, funny, gee, ghost, give, goodness, grace, gracefulness, graces, ground, grounded, hace, handshake, hare, honor, honoring, honors,