Antonyms of adj filamentous

1 sense of filamentous

Sense 1
filamentous, filiform, filamentlike, threadlike, thready -- (thin in diameter; resembling a thread)

INDIRECT (VIA thin) -> thick -- (not thin; of a specific thickness or of relatively great extent from one surface to the opposite usually in the smallest of the three solid dimensions; "an inch thick"; "a thick board"; "a thick sandwich"; "spread a thick layer of butter"; "thick coating of dust"; "thick warm blankets")

Similarity of adj filamentous

1 sense of filamentous

Sense 1
filamentous, filiform, filamentlike, threadlike, thready -- (thin in diameter; resembling a thread)
       => thin (vs. thick) -- (of relatively small extent from one surface to the opposite or in cross section; "thin wire"; "a thin chiffon blouse"; "a thin book"; "a thin layer of paint")