adj ·Rare ·Advanced level

Definitions

Adjective

1. 1
   Shaped like or resembling a thread or filament; filamentous.
2. 2
   Having all component parts or segments cylindrical and more or less uniform in size.

   "Tiger beetles have filiform antennae."

Adjective

1. 1
   thin in diameter; resembling a thread wordnet

Synonyms

All synonyms

filamentlikefilamentlikefilamentousthreadlikethready

Example

More examples

"Tiger beetles have filiform antennae."

Etymology

Latin filum (“thread”), + -iform.

Data sourced from Wiktionary, WordNet, CMU, and other open linguistic databases. Updated March 2026.