I. verb
1.
Synonyms: hiss , buzz, fizz, fizzle, sibilate, sizzle, swish, wheeze, whiz, whoosh
2.
Synonyms: confide 1, breathe
II. noun
1.
Synonyms: murmur 1, mumble, mutter, rumor, susurration, undertone
2.
Synonyms: hint 2, breath, dash, shade, soupçon, suspicion, tinge, touch, trace, whiff