THESAURUS
wheels within wheels
Chinese puzzle, Gordian knot, Rube Goldberg contraption, action, can of worms, clockworks, complex, drive train, gear, innards, jungle, knot, labyrinth, machinery, maze, meander, mechanism, mesh, mess, motion, movement, movements, perplex, power train, ravel, servomechanism, snafu, snake pit, snarl, tangle, tangled skein, watchworks, webwork, wheels, wilderness, workings, works
ROGET THESAURUS
wheels within wheels
Instrument
N
instrument, machinery, mechanism, engineering, instrument, organ, tool, implement, utensil, machine, engine, lathe, gin, mill, air engine, caloric engine, heat engine, gear, tackle, tackling, rig, rigging, apparatus, appliances, plant, materiel, harness, trappings, fittings, accouterments, barde, equipment, equipmentage, appointments, furniture, upholstery, chattels, paraphernalia, mechanical powers, lever, leverage, mechanical advantage, crow, crowbar, handspike, gavelock, jemmy, jimmy, arm, limb, wing, oar, paddle, pulley, wheel and axle, wheelwork, clockwork,
wheels within wheels, pinion, crank, winch, cam, pedal, capstan, wheel, inclined plane, wedge, screw, spring, mainspring, can hook, glut, heald, heddle, jenny, parbuckle, sprag, water wheel, handle, hilt, haft, shaft, heft, shank, blade, trigger, tiller, helm, treadle, key, turnscrew, screwdriver, knocker, hammer, edge tool, borer, vice, teeth, nail, rope, peg, support, spoon, arms, oar, cardiograph, recapper, snowplow, tenpenny, votograph, instrumental, mechanical, machinal, brachial.
Complexity
N
complexity, complexness, complexus, complication, implication, intricacy, intrication, perplexity, network, labyrinth, wilderness, jungle, involution, raveling, entanglement, coil, sleave, tangled skein, knot, Gordian knot,
wheels within wheels, kink, gnarl, knarl, webwork, difficulty, gnarled, knarled, complex, complexed, intricate, complicated, perplexed, involved, raveled, entangled, knotted, tangled, inextricable, irreducible.