Nay; not; not at all; not in any respect or degree; -- a word expressing negation, denial, or refusal. Before or after another negative, no is emphatic. [1913 Webster]
"We do no otherwise than we are willed." [1913 Webster]
"I am perplx'd and doubtful whether or no
I dare accept this your congratulation." [1913 Webster]
"There is none righteous, no, not one." [1913 Webster]
"No! Nay, Heaven forbid." [1913 Webster]

1.  A refusal by use of the word no; a denial. [1913 Webster]

2.  A negative vote; one who votes in the negative; as, to call for the ayes and noes; the noes have it. [1913 Webster]

no, symb. Chem. the element nobelium.

no, var. of NOH.

no, adj.
1 not any (there is no excuse; no circumstances could justify it; no two of them are alike).
2 not a, quite other than (is no fool; is no part of my plan; caused no slight inconvenience).
3 hardly any (is no distance; did it in no time).
4 used elliptically as a slogan, notice, etc., to forbid, reject, or deplore the thing specified (no parking; no surrender).

Idiom:
by no means see MEANS. no-account unimportant, worthless. no-ball Cricket n. an unlawfully delivered ball (counting one to the batting side if not otherwise scored from).
--v.tr. pronounce (a bowler) to have bowled a no-ball. no-claim (or -claims) bonus a reduction of the insurance premium charged when the insured has not made a claim under the insurance during an agreed preceding period. no date (of a book etc.) not bearing a date of publication etc. no dice see DICE. no doubt see DOUBT. no end see END. no entry (of a notice) prohibiting vehicles or persons from entering a road or place. no-fault US (of insurance) valid regardless of the allocation of blame for an accident etc. no fear see FEAR. no-frills lacking ornament or embellishment. no go impossible, hopeless. no-go area an area forbidden to unauthorized people. no good see GOOD. no-good see GOOD. no-hitter US Baseball a game in which a team does not get a player to first base. no-hoper Austral. sl. a useless person. no joke see JOKE. no joy see JOY n. 3. no little see LITTLE. no man no person, nobody. no man's land 1 Mil. the space between two opposing armies.
2 an area not assigned to any owner.
3 an area not clearly belonging to any one subject etc. no-no colloq. a thing not possible or acceptable. no-nonsense serious, without flippancy. no place US nowhere. no-show a person who has reserved a seat etc. but neither uses it nor cancels the reservation.
no side Rugby Football
1 the end of a game.
2 the referee's announcement of this. no small see SMALL. no sweat colloq. no bother, no trouble. no thoroughfare an indication that passage along a street, path, etc., is blocked or prohibited. no time see TIME. no trumps (or trump) Bridge a declaration or bid involving playing without a trump suit. no-trumper Bridge a hand on which a no-trump bid can suitably be, or has been, made.
no way colloq.
1 it is impossible.
2 I will not agree etc. no whit see WHIT. no-win of or designating a situation in which success is impossible. no wonder see WONDER. ... or no ... regardless of the ... (rain or no rain, I shall go out). there is no ...ing it is impossible to ... (there is no accounting for tastes; there was no mistaking what he meant).

no, adv. & n.
--adv.
1 equivalent to a negative sentence: the answer to your question is negative, your request or command will not be complied with, the statement made or course of action intended or conclusion arrived at is not correct or satisfactory, the negative statement made is correct.
2 (foll. by compar.) by no amount; not at all (no better than before).
3 Sc. not (will ye no come back again?).
--n. (pl. noes)
1 an utterance of the word no.
2 a denial or refusal.
3 a negative vote.

Idiom:
is no more has died or ceased to exist. no better than she should be morally suspect; sexually promiscuous. no can do colloq. I am unable to do it. the noes have it the negative voters are in the majority. no less (often foll. by than)
1 as much (gave me {pound}50, no less; gave me no less than {pound}50; is no less than a scandal; a no less fatal victory).
2 as important (no less a person than the President).
3 disp. no fewer (no less than ten people have told me). no longer not now or henceforth as formerly. no more n. nothing further (have no more to say; want no more of it).
--adj. not any more (no more wine?).
--adv.
1 no longer.
2 never again.
3 to no greater extent (is no more a lord than I am; could no more do it than fly in the air).
4 just as little, neither (you did not come, and no more did he). no, no an emphatic equivalent of a negative sentence (cf.
sense
1 of adv.). no-see-em (or -um) US a small bloodsucking insect, esp. a midge of the family Ceratopogonidae. no sooner ... than see SOON. not take no for an answer persist in spite of refusals. or no or not (pleasant or no, it is true).
whether or no
1 in either case.
2 (as an indirect question) which of a case and its negative (tell me whether or no).

Etymology:
OE no, na f. ne not + o, a ever

N  unwillingness, indisposition, indisposedness, disinclination, aversation, nolleity, nolition, renitence, renitency, reluctance, indifference, backwardness, slowness, want of alacrity, want of readiness, indocility, scrupulousness, scrupulosity, qualms of conscience, twinge of conscience, delicacy, demur, scruple, qualm, shrinking, recoil, hesitation, fastidiousness, averseness, dissent, refusal, unwilling, not in the vein, loth, loath, shy of, disinclined, indisposed, averse, reluctant, not content, adverse, laggard, backward, remiss, slack, slow to, indifferent, scrupulous, squeamish, repugnant, restiff, restive, demurring, unconsenting, involuntary, unwillingly, grudgingly, with a heavy heart, with a bad, with an ill grace, against one's wishes, against one's will, against the grain, sore against one's wishes, sore against one's will, sore against one's grain, invita Minerva, a contre caeur, malgre soi, in spite of one's teeth, in spite of oneself, nolens volens, perforce, under protest, no, not for the world, far be it from me.

N  rejection, repudiation, exclusion, refusal, declination, rejected, reject, rejectaneous, rejectious, not chosen, to be thought of, out of the question, neither, neither the one nor the other, no, non haec in faedera.

N  refusal, rejection, noncompliance, incompliance, denial, declining, declension, declinature, peremptory refusal, flat refusal, point blank refusal, repulse, rebuff, discountenance, recusancy, abnegation, protest, disclaimer, dissent, revocation, refusing, restive, restiff, recusant, uncomplying, unconsenting, not willing to hear of, deaf to, refused, ungranted, out of the question, not to be thought of, impossible, no, on no account, not for the world, no thank you, thanks but no thanks, non possumus, your humble servant, bien oblige, not on your life, no way, not even if you beg on your knees.

N  oil, fat, butter, cream, grease, tallow, suet, lard, dripping exunge, blubber, glycerin, stearin, elaine, oleagine, soap, soft soap, wax, cerement, paraffin, spermaceti, adipocere, petroleum, mineral, mineral rock, mineral crystal, mineral oil, vegetable oil, colza oil, olive oil, salad oil, linseed oil, cottonseed oil, soybean oil, nut oil, animal oil, neat's foot oil, train oil, ointment, unguent, liniment, aceite, amole, Barbados tar, fusel oil, grain oil, rape oil, seneca oil, hydrate of amyl, ghee, heating oil, #2 oil, No, 2 oil, distillate, residual oils, kerosene, jet fuel, gasoline, naphtha, stearin.

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.

N  negation, abnegation, denial, disavowal, disclaimer, abjuration, contradiction, contravention, recusation, protest, recusancy, flat contradiction, emphatic contradiction, emphatic denial, dementi, qualification, repudiation, retraction, confutation, refusal, prohibition, denying, denied, contradictory, negative, negatory, recusant, at issue upon, no, nay, not, nowise, not a bit, not a whit, not a jot, not at all, nohow, not in the least, not so, negative, negatory, no way, no such thing, nothing of the kind, nothing of the sort, quite the contrary, tout au contraire, far from it, tant s'en faut, on no account, in no respect, by no, by no manner of means, negatively, never, never in a million years, at no time, there never was a greater mistake, I know better, non haec in faedera, a thousand times no.

by no means, in no time, in no way, know no bounds, leave no stone unturned, make no bones about, 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