THESAURUS
unmentionable
abject, abominable, appalling, arrant, atrocious, base, beggarly, cheesy, contemptible, crummy, debased, degraded, depraved, despicable, dirty, disgraceful, disgusting, dishonorable, execrable, filthy, flagrant, forbidden, foul, fulsome, grave, gross, heinous, immodest, incommunicable, indecent, indefinable, indescribable, ineffable, inenarrable, inexpressible, innominable, interdicted, lingerie, little, low, low-down, lumpen, mangy, mean, measly, miserable, monstrous, nefarious, noncommunicable, obnoxious, obscene, odious, paltry, petty, poky, poor, rank, reptilian, scabby, scandalous, scrubby, scruffy, scummy, scurvy, shabby, shameful, shocking, shoddy, skivvies, small, squalid, taboo, undefinable, underclothes, underclothing, undergarments, underwear, undies, unmentionables, unnameable, unspeakable, unutterable, unwhisperable, vile, wretched
ROGET THESAURUS
unmentionable
Disrepute
N
disrepute, discredit, ill repute, bad repute, bad name, bad odor, bad favor, ill name, ill odor, ill favor, disapprobation, ingloriousness, derogation, abasement, debasement, abjectness, degradation, dedecoration, a long farewell to all my greatness, odium, obloquy, opprobrium, ignominy, dishonor, disgrace, shame, humiliation, scandal, baseness, vileness, turpitude, infamy, tarnish, taint, defilement, pollution, stain, blot, spot, blur, stigma, brand, reproach, imputation, slur, crying shame, burning shame, scandalum magnatum, badge of infamy, blot in one's escutcheon, bend sinister, bar sinister, champain, point champain, byword of reproach, Ichabod, argumentum ad verecundiam, sense of shame, disgraced, blown upon, shorn of its beams, shorn of one's glory, overcome, downtrodden, loaded with shame, in bad repute, out of repute, out of favor, out of fashion, out of countenance, at a discount, under a cloud, under an eclipse, unable to show one's face, in the shade, in the background, out at elbows, down at the elbows, down in the world, inglorious, nameless, renownless, obscure, unknown to fame, unnoticed, unnoted, unhonored, unglorified, shameful, disgraceful, discreditable, disreputable, despicable, questionable, unbecoming, unworthy, derogatory, degrading, humiliating, infra dignitatem, dedecorous, scandalous, infamous, too bad,
unmentionable, ribald, opprobrious, errant, shocking, outrageous, notorious, ignominious, scrubby, dirty, abject, vile, beggarly, pitiful, low, mean, shabby base, to one's shame be it spoken, Int, fie!, shame!, for shame!, proh pudor!, O tempora!, O mores!, ough!, sic transit gloria mundi!.
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.