では無いか

ではないか

questioning (something)

無い物は無い

ないものはない

there's nothing we (I, he, she, etc.) don't have

はず無い

はずない

it cannot be that...; it is highly unlikely that...; it is impossible that...

で無い

でない

is not, am not, are not

無理はない

むりはない

(to be) natural, (to be) understandable

はずの無い

はずのない

cannot (do); it is impossible that...; it is (highly) unlikely that...

はずが無い

はずがない

it cannot be that...; it is highly unlikely that...; it is impossible that...

それは無い

それはない

you must be kidding; hey, come on!; surely not!

では無さそう

ではなさそう

does not seem (to be)

無い無い

ないない

cleaning up; tidying up

でも無い

でもない

it is not (like that), used to explicitly deny one thing while also implicitly denying other things

無くては

なくては なくちゃ

unless, without

無しには

なしには

without

ではでは

then; well; so; well then

では無かろうか

ではなかろうか

is it not so?

無い

ない

nonexistent, not being (there)

までも無い

までもない

doesn't amount to doing (something); not significant enough to require (something); unnecessary

無くてはいけない

なくてはいけない

cannot do without something; indispensable; absolutely necessary

無い袖は振れぬ

ないそではふれぬ

you can't give (use) what you don't have, nothing comes from nothing, you can't shake sleeves you don't have