Slinky

Adjective

 * 1) furtive, stealthy or catlike

Noun

 * 1)  A three-dimensional curve — a spiral wound around a helix.

Thesaurus
airy, attenuate, attenuated, back-door, backstairs, boyish, clandestine, covert, cowering, cringing, delicate, diaphanous, diluted, ethereal, feline, fine, fine-drawn, finespun, flimsy, frail, furtive, gauzy, girlish, gossamer, gracile, hidlings, hole-and-corner, hugger-mugger, insubstantial, lacy, light, misty, papery, privy, quailing, quiet, rare, rarefied, shifty, skulking, slender, slenderish, slight, slight-made, slim, slimmish, slinking, sly, small, sneaking, sneaky, stealthy, subtle, surreptitious, svelte, sylphlike, tenuous, thin, thin-bodied, thin-set, thin-spun, thinnish, threadlike, under-the-counter, under-the-table, undercover, underground, underhand, underhanded, unobtrusive, vague, wasp-waisted, watered, watered-down, watery, weak, willowy, wiredrawn, wispy