CACKLE Antonyms There are 4 antonyms of the word cackle. (opposite meanings)Did you mean?Definition of CACKLEAlso try opposite words for..cacklycacklescacklerBest Opposite Words For CACKLETop 20Top 10 Top 20 (Default)Top 50 Top 100 All All (Default)WordsPhrases All All (Default)Verb Noun Adjective Adverb RankWordSave?Synonyms..UsageType1mumbleverbv2murmurverb, nounv, n3mutterverbv4whisperverb, nounv, n Alternatives for MUMBLE Words (12)mutterbabblegarblegrumblemufflemurmurslurstutterwhispergummaundermussitateOpposite words for mumble Alternatives for MURMUR Words (17)muttergrumblebabbledronehummumblemurmurrustlesighwhispermurmuringmutteringcroakgnarlgrumblingmurmurationmussitationPhrases (3)cardiac murmurheart murmurmurmur vowelOpposite words for murmur Alternatives for MUTTER Words (18)murmurgrumblemumblemurmuringmutteringbabblecroakgnarlgrowlgrumblingmaundermurmurationmussitatemussitationputterramblerumblestutterOpposite words for mutter Alternatives for WHISPER Words (5)whisperingrustlerustlingsusurrationvoicelessnessOpposite words for whisper