threadlike (adj.)
- airy
- attenuate
- attenuated
- boyish
- capillary
- delicate
- diaphanous
- diluted
- ethereal
- fibrous
- fine
- finespun
- flimsy
- flossy
- frail
- funicular
- gauzy
- girlish
- gossamer
- gracile
- hairlike
- hairy
- insubstantial
- lacy
- light
- misty
- papery
- rare
- rarefied
- ropy
- silky
- slender
- slight
- slim
- small
- stringy
- subtle
- svelte
- sylphlike
- tenuous
- thin
- thin-bodied
- thready
- vague
- wasp-waisted
- watered
- watery
- weak
- willowy
- wiry
- wispy