Siffle

noun, verb

noun, verb ·Rare ·Advanced level

Definitions

Noun
  1. 1
    A sibilant rale.
Verb
  1. 1
    To whistle or hiss. intransitive

Synonyms

All synonyms
buzzeffervescencefizzfizzlehisshissing

Etymology

Borrowed from French siffler, from Latin sibilāre. Doublet of sibilate.

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