ない-form

〜ないといけないN5

must do; have to do

〜ないでN4

without doing; don't (do)

〜ないでもない

it's not that one doesn't; sort of, up to a point

〜ないことにはN2

unless; until X happens, nothing else can

〜ないではいられないN2

cannot help doing; cannot keep oneself from doing

〜ないことはないN2

it's not that you can't do; possible after all, if reluctantly

〜ないことだN5

the thing to do is — blunt advice given as the obvious answer

〜ないでくださいN5

please don't do

〜ないあいだにN4

while; during — at some point within an interval

〜ないうちにN3

while the chance lasts; before the situation changes

〜ないままN3

leaving it as is; still in the state of

もう〜ないN5

already; and with a negative, not any more — it happened by now

〜ないかぎりN3

as long as; unless — marks the outer edge of what stays true

〜ないでほしいN4

want (someone) to do — a wish about another person's act

〜ないつもりだN5

intend to; plan to

〜ないよていだN4

be scheduled to; plan to

〜ないことにするN4

decide to do — announcing a choice as one's own

〜ないことにしているN4

make it a rule to do — a decision you still keep

〜ないことになるN3

it has been decided that; it turns out that

〜ないことになっているN3

it's the rule that — decided by someone else, still standing

〜ないことがあるN5

sometimes do — an occasional event, not a habit

〜ないばかりにN2

all because — one small thing cost far more than it should

〜ないようにN4

so that; in order that

〜ないともかぎらない

you can't rule out that it will happen; it may happen anyway

〜ないほどN3

to the point of ...; to such an extent that ...

〜ないように言いうN2

tell someone to do — passed on in the reporter's own words

〜ないようにするN4

make a point of doing; see to it that

〜ないようにしている

try to do — a standing effort, kept only partly

〜ないほうがいいN5

had better not do; should not (advice)

〜ないどころかN3

far from; not just X but even Y

〜ないにかぎるN3

nothing beats X; the best thing to do is X

何なにも〜ないN5

nothing; not anything — 何 plus も with a negative verb

誰だれも〜ない

no one; not anyone; nobody — 誰 plus も in a sentence ending in ない

どこにも〜ないN5

nowhere; not anywhere — どこ plus its particle plus も in a sentence ending in ない

あまり〜ないN5

not much; not very — needs the sentence to end in a negative

全然ぜんぜん〜ない

not at all — the far end of "not much"

少すこしも〜ないN2

not in the least — "not even a little," for verbs and adjectives

ろくに〜ないN2

not properly; hardly at all — criticizes how, never how much

なかなか〜ないN5

just won't; not easily — expected, yet it keeps failing to happen

絶対ぜったい〜ないN2

absolutely not; never — rules the possibility out flat

ほとんど〜ないN2

hardly any; almost none — so little that it rounds down to nothing

〜ないようでは

if that's how things are — then the outlook is bad

ちっとも〜ない

not one bit — the spoken absolute, and almost always a complaint

どうも〜ないN4

somehow; I can't say why — an impression with no evidence to name

一度いちども〜ない

never; not even once — 一度 plus も in a sentence ending in ない

決けっして〜ないN3

never; by no means — a flat denial, a promise or a verdict

〜ないことN2

do — a rule or instruction set down in writing

まるで〜ないN3

just like; as if — false, and before a negative, not at all

全まったく〜ないN2

not at all — or "utterly," before an already-absolute word

めったに〜ないN4

hardly ever; rarely — it happens so little, each time stands out

〜ないかなあN4

I wish … would happen — murmured to yourself as a question

〜ないものだろうかN2

isn't there some way — a hopeful wish something could still happen

〜ないわけにはいかないN2

have no choice but to do — social or circumstantial, not a rule

そんなに〜ない

not that much — denies a degree just proposed; or bare, that much

そう〜ないN2

not all that … — the written twin of そんなに〜ない, denying a degree already raised

たいして〜ないN2

not particularly — falls short of a degree someone had in mind

〜ないでくれと言いう

(someone) said to do it — relayed in the blunt words used

〜ないでもらいたいN2

I'd like you to do — wanting the act done, for one

〜ないようにN3

see that you do it — closes the sentence, names nobody

〜ないようになっているN3

is set up so that; is built to — a standing state