2
sotto voce(adverb, undertone)
1
aside
1
behind the scenes(expression, idiom)
1
in the dark(expression, idiom)
1
quietly
1
secretly
1
softly
1
sub rosa
1
undercover
1
underground
1
with bated breath(expression, idiom)
0
background
0
barely audible
0
bated
0
between the teeth
0
cloak
0
closed
0
doors
0
hugger
0
implicitly
<12>
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APASmart Define. (2015). in a whisper thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/in_a_whisper/thesaurus/synonyms
ChicagoSmart Define. 2015. "in a whisper thesaurus" https://smartdefine.org/in_a_whisper/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2015, in a whisper thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/in_a_whisper/thesaurus/synonyms>.
MLASmart Define. "in a whisper thesaurus" 13 April 2015. Web. 20 September 2026. <https://smartdefine.org/in_a_whisper/thesaurus/synonyms>