whisper
vb
1 breathe, murmur, say softly, speak in hushed tones, utter under the breath
2 gossip, hint, insinuate, intimate, murmur, spread rumours
3 hiss, murmur, rustle, sigh, sough, susurrate (literary) swish
n
4 hushed tone, low voice, murmur, soft voice, undertone
5 hiss, murmur, rustle, sigh, sighing, soughing, susurration or susurrus (literary) swish
6 breath, fraction, hint, shadow, suggestion, suspicion, tinge, trace, whiff
7 (informal) buzz, dirt (U.S. slang) gossip, innuendo, insinuation, report, rumour, scuttlebutt (U.S. slang) word
Antonyms
1 bawl, bellow, clamour, roar, shout, thunder, yell