filiform

/ˈfɪlɪfɔrm/
adjective
  1. Having the shape of a thread or filament; long, thin, and slender.
    • The plant's filiform tendrils wrapped tightly around the trellis.
    • Under the microscope, the bacteria appeared filiform.
    • The filiform leaves of the grass swayed in the breeze.
Antonyms
What does "filiform" mean? | whatsthatwordmean | whatsthatwordmean