slinky (?.)

• 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