by no means(r = adv.all) not by a blame sight, not by a long sight - definitely not; "the prize is by no means certain"; "and that isn't all, not by a long sight"
Antonym: by all means

N  smallness, littleness, tenuity, paucity, fewness, meanness, insignificance (unimportance), mediocrity, moderation, small quantity, modicum, trace, hint, minimum, vanishing point, material point, atom, particle, molecule, corpuscle, point, speck, dot, mote, jot, iota, ace, minutiae, details, look, thought, idea, soupcon, dab, dight, whit, tittle, shade, shadow, spark, scintilla, gleam, touch, cast, grain, scruple, granule, globule, minim, sup, sip, sop, spice, drop, droplet, sprinkling, dash, morceau, screed, smack, tinge, tincture, inch, patch, scantling, tatter, cantlet, flitter, gobbet, mite, bit, morsel, crumb, seed, fritter, shive, snip, snippet, snick, snack, snatch, slip, scrag, chip, chipping, shiver, sliver, driblet, clipping, paring, shaving, hair, nutshell, thimbleful, spoonful, handful, capful, mouthful, fragment, fraction, drop in the ocean, animalcule, trifle, mere nothing, next to nothing, hardly anything, just enough to swear by, the shadow of a shade, finiteness, finite quantity, small, little, diminutive, minute, fine, inconsiderable, paltry, faint, slender, light, slight, scanty, scant, limited, meager, sparing, few, low, so-so, middling, tolerable, no great shakes, below par, under par, below the mark, at a low ebb, halfway, moderate, modest, tender, subtle, inappreciable, evanescent, infinitesimal, homeopathic, very small, atomic, corpuscular, microscopic, molecular, subatomic, mere, simple, sheer, stark, bare, near run, dull, petty, shallow, stolid, ungifted, unintelligent, to a small extent, on a small scale, a little bit, a wee bit, slightly, imperceptibly, miserably, wretchedly, insufficiently, imperfectly, faintly, passably, pretty well, well enough, partially, in part, in a certain degree, to a certain degree, to a certain extent, comparatively, some, rather in some degree, in some measure, something, somewhat, simply, only, purely, merely, at least, at the least, at most, at the most, ever so little, as little as may be, tant soit peu, in ever so small a degree, thus far, pro tanto, within bounds, in a manner, after a fashion, so to speak, almost, nearly, well-nigh, short of, not quite, all but, near upon, close upon, peu s'en faut, near the mark, within an ace of, within an inch of, on the brink of, scarcely, hardly, barely, only just, no more than, about, thereabouts, somewhere about, nearly, say, be the same, be little more or less, no ways, no way, no wise, not at all, not in the least, not a bit, not a bit of it, not a whit, not a jot, not a shadow, in no wise, in no respect, by no means, by no manner of means, on no account, at no hand, dare pondus idonea fumo, magno conatu magnas nugas, small sands the mountain, moments make the year.

N  dissent, discordance, difference diversity of opinion, nonconformity, protestantism, recusancy, schism, disaffection, secession, recantation, dissension, discontent, cavilling, protest, contradiction, noncompliance, dissentient, dissenter, non-juror, non-content, nonconformist, sectary, separatist, recusant, schismatic, protestant, heretic, refusal, dissenting, negative, dissident, dissentient, unconsenting, non-content, nonjuring, protestant, recusant, unconvinced, unconverted, unavowed, unacknowledged, out of the question, discontented, unwilling, extorted, sectarian, denominational, schismatic, heterodox, intolerant, no, at variance, at issue with, under protest, Int, God forbid!, not for the world, I'll be hanged if, never tell me, your humble servant, pardon me, many men many minds, quot homines tot sententiae, tant s'en faut, il s'en faut bien, no way, by no means, count me out.

by all means, by any means, by artificial means, by means of, in no time, in no way, know no bounds, leave no stone unturned, make no bones about, man of means, means, means grass, means test, means to an end, no, no account, no ball, no chance, no doubt, no end, no fault automobile insurance, no fault insurance, no go, no good, no longer, no man's land, no matter, no matter what, no matter what happens, no more, no no, no way, pay no attention to, po box no, point of no return, to no degree, under no circumstances, ways and means, ways and means committee