1. having the shape or form of a thread; very slender and elongated
Usage: technical; biology

Examples

• The filiform leaves of the grass swayed in the breeze.
• Under the microscope, we observed the filiform structure of the fungal hyphae.
• The plant’s filiform stems were barely visible to the naked eye.
• Filiform papillae cover most of the tongue’s surface.
• The insect’s filiform antennae helped it detect chemical signals.
• The doctor noted the patient’s unusually filiform fingers.