intransitive verb sif·fle \ˈsifəl\

Definition of siffle


  1. :  to blow or speak with a sibilant sound :  whistle, hiss

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Origin and Etymology of siffle

Middle English siflen, from Middle French siffler, sifler, from (assumed) Vulgar Latin sifilare, from Latin sibilare to hiss, whistle — more at sibilant

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capable of being understood in two ways

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