Filamentous adjective – Thin in diameter; resembling a thread. Ropy and filamentous are semantically related in like a thread topic. In some cases you can use "Ropy" instead an adjective "Filamentous". Nearby Words: filament, filamentary
Ropy adjective – Being of a consistency that resists flow. Filamentous and ropy are semantically related in stringy topic. You can use "Filamentous" instead an adjective "Ropy", if it concerns topics such as like a thread.