Synonyms
Antonyms

1. siss

verb. express or utter with a hiss.

Synonyms

  • mouth
  • utter
  • verbalize
  • speak
  • sizz
  • talk
  • verbalise
  • sibilate

Antonyms

  • mitigated
  • incomplete
  • keep quiet
  • hold

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2. siss

verb. make a sharp hissing sound, as if to show disapproval.

Synonyms

  • utter
  • let loose
  • sizz
  • let out
  • sibilate
  • emit

Antonyms

  • applaud
  • close up
  • whisper
  • shout
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