THESAURUS
sotto voce
a cappella, abbandono, accrescendo, affettuoso, agilmente, agitato, amabile, amoroso, appassionatamente, appassionato, aside, behind the curtain, behind the scenes, behind the veil, between the teeth, brillante, capriccioso, con affetto, con agilita, con agitazione, con amore, covertly, crescendo, decrescendo, diminuendo, dolce, forte, fortissimo, in a corner, in a whisper, in an aside, in darkness, in hidlings, in secret, in the background, in the dark, lamentabile, leggiero, morendo, nobody the wiser, out of earshot, parlando, pianissimo, piano, pizzicato, scherzando, scherzoso, secretly, sordo, spiccato, staccato, stretto, sub rosa, tremolando, tremoloso, trillando, under the breath, under the rose, undercover, underground, with bated breath
ROGET THESAURUS
sotto voce
Aphony
N
aphony, aphonia, dumbness, obmutescence, absence of voice, want of voice, dysphony, cacoepy, silence, raucity, harsh voice &c, unmusical voice, falsetto, childish treble mute, dummy, aphonous, dumb, mute, deafmute, deaf and dumb, mum, tongue-tied, breathless, tongueless, voiceless, speechless, wordless, mute as a fish, mute as a stockfish, mute as a mackerel, silent, muzzled, inarticulate, inaudible, croaking, raucous, hoarse, husky, dry, hollow, sepulchral, hoarse as a raven, rough, with bated breath, with the finger on the lips,
sotto voce, in a low tone, in a cracked voice, in a broken voice, vox faucibus haesit.
Stammering
N
stammering, inarticulateness, stammering, hesitation, impediment in one's speech, titubancy, traulism, whisper, lisp, drawl, tardiloquence, nasal tone, nasal accent, twang, falsetto, broken voice, broken accents, broken sentences, brogue, slip of the tongue, lapsus linouae, stammering, inarticulate, guttural, nasal, tremulous, affected,
sotto voce.
Faintness
N
faintness, faint sound, whisper, breath, undertone, underbreath, murmur, hum, susurration, tinkle, still small voice, hoarseness, raucity, inaudible, scarcely audible, just audible, low, dull, stifled, muffled, hoarse, husky, gentle, soft, faint, floating, purling, flowing, whispered, liquid, soothing, dulcet, susurrant, susurrous, in a whisper, with bated breath,
sotto voce, between the teeth, aside, piano, pianissimo, d la sourdine, out of earshot inaudibly, (ii) SPECIFIC SOUNDS.
Concealment
N
concealment, hiding, occultation, mystification, seal of secrecy, screen, disguise, masquerade, masked battery, hiding place, cryptography, steganography, freemasonry, stealth, stealthiness, sneakiness, obreption, slyness, latitancy, latitation, seclusion, privacy, secrecy, secretness, incognita, reticence, reserve, mental reserve, reservation, arriere pensee, suppression, evasion, white lie, misprision, silence, suppression of truth, underhand dealing, closeness, secretiveness, mystery, latency, snake in the grass, secret, stowaway, concealed, hidden, secret, recondite, mystic, cabalistic, occult, dark, cryptic, cryptical, private, privy, in petto, auricular, clandestine, close, inviolate, tortuous, behind a screen, undercover, under an eclipse, in ambush, in hiding, in disguise, in a cloud, in a fog, in a mist, in a haze, in a dark corner, in the shade, in the dark, clouded, wrapped in clouds, wrapt in clouds, invisible, buried, underground, perdu, secluded, undisclosed &c, untold, covert, untraceable, mysterious, irrevealable, inviolable, confidential, esoteric, not to be spoken of, unmentionable, obreptitious, furtive, stealthy, feline, skulking, surreptitious, underhand, hole and corner, sly, secretive, evasive, reserved, reticent, uncommunicative, buttoned up, close, close as wax, taciturn, secretly, in secret, in private, in one's sleeve, in holes and corners, in the dark, januis clausis, with closed doors, a huis clos, hugger mugger, a la derobee, under the cloak of, under the rose, under the table, sub rosa, en tapinois, in the background, aside, on the sly, with bated breath,
sotto voce, in a whisper, without beat of drum, a la sourdine, behind the veil, beyond mortal ken, beyond the grave, beyond the veil, hid from mortal vision, into the eternal secret, into the realms supersensible, into the supreme mystery, in confidence, in strict confidence, in strictest confidence, confidentially, between ourselves, between you and me, between you and me and the bedpost, entre nous, inter nos, under the seal of secrecy, a couvert, underhand, by stealth, like a thief in the night, stealthily, behind the scenes, behind the curtain, behind one's back, behind a screen, incognito, in camera, it must go no further, it will go no further, don't tell a soul, tell it not in Gath, nobody the wiser, alitur vitium vivitque tegendo, let it be tenable in your silence still, background information, deep background information, deep background, background session, backgrounder, not for attribution.