Sibilous

adj

adj ·Rare ·Advanced level

Definitions

Adjective

1
Having a hissing sound; sibilant.
"a sibilous rattle"

Synonyms

Example

"In the height of summer it [the grasshopper warbler] chirps the whole night: its sibilous note is observed to cease about the latter end of Jul"

Etymology

Latin sibilus.

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