Synonyms to simple as ABC

effortless, Mickey Mouse, adept, casual, clear, cursive, cushy, easy, easy as pie, expert, facile, flowing, fluent, glib, light, masterly, nothing to it, painless, plain, proficient, ready, royal, running, simple, skilled, skillful, smooth, soft, straightforward, unburdensome, uncomplicated, untroublesome, Bohemian, Charley, VC, Vietcong, accessory, accidental, accidentally, additional, adscititious, adventitious, affable, aimless, airy, aleatory, almsman, almswoman, aloof, amorphous, apathetic, appurtenant, ascititious, ataractic, automatic, auxiliary, bankrupt, beggar, blanket, blase, blue-collar worker, breadwinner, breezy, bushfighter, bushwhacker, by-the-way, capricious, careless, casual laborer, casually, causeless, chance, chancy, charity case, circumstantial, collateral, common, common laborer, conditional, contingent, cool, cordial, cursory, day laborer, degage, designless, destinal, desultory, detached, devil-may-care, dicey, disarticulated, discontinuous, disinterested, disjunct, disordered, dispassionate, dispersed, disproportionate, disregardant, di