be nothing to do with someone or something Definition

nothing
noun

1. No thing; not anything.

Thesaurus: not anything, naught, zip (US slang), zilch (slang).
2a. Zero number or quantity;
2b. The figure 0 representing this.
3a. Very little;
3b. Something of no importance or not very impressive;

Thesaurus: trifle, bagatelle.
3c. No difficulty or trouble.
4. An absence of anything.

Thesaurus: nothingness, non-existence, inexistence, non-being, nullity, extinction, oblivion, null, obliteration, annihilation, naught.

adverb

1. Not at all.

Example: nothing daunted

Derivative: nothingness

The state of being nothing or of not existing.
Thesaurus: void, nihility, nonexistence, nullity, oblivion, vacuum, blank, hollowness.

Emptiness.

Worthlessness.
Thesaurus: worthlessness, insignificance, pettiness, unimportance, smallness.

A thing of no value.

Idiom: be nothing to something

To be much less than it; to be trivial compared with it.
Example: That's nothing to what I saw

Idiom: be nothing to do with someone or something

To be unconnected with them.

To be of no concern to them.

Idiom: come to nothing

To fail or peter out.

Idiom: for nothing

Free; without payment or personal effort.
Example: You can have it for nothing
Thesaurus: gratis, without cost, free, unencumbered.

For no good reason; in vain.
Example: all that work for nothing
Thesaurus: in vain, for naught, unnecessarily, emptily.

derog
Because it is so obvious that you should know.
Example: I'll tell you that for nothing

Idiom: have nothing on

To be free; to have no engagement.

To be naked.

Idiom: have nothing on someone or something

colloq
To have no information about them.
Example: Local police had nothing on him till now

colloq
To be not nearly as good, beautiful, skilled, etc as them.
Example: She has nothing on her sister

Idiom: have nothing to do with someone or something

To avoid them.

To be unconnected with them.

To be of no concern to them.

Idiom: like nothing on earth

Grotesque.

Frightful.

Idiom: make nothing of someone or something

Not to understand them or it.

Idiom: mean nothing to someone

To be incomprehensible to them.

To be of no importance to them.

Idiom: nothing but ...

Usually said of something unwelcome: only; merely.
Example: nothing but trouble

Idiom: nothing doing

An expression of refusal.

No hope of success.

Idiom: nothing for it but to ...

No alternative except to ....
Example: nothing for it but to own up

Idiom: nothing if not ...

Primarily, above all, or very ....
Example: nothing if not keen

Idiom: nothing like ...

By no means ....
Example: nothing like good enough

Idiom: nothing like someone or something

Not at all like them or it.

Idiom: nothing much

Very little.

Idiom: nothing short of something (less than something)

Downright; absolute.
Example: They were nothing less than criminals

Only.
Example: will accept nothing less than an apology

Idiom: nothing to it (nothing in it)

Straightforward; easy.

Idiom: think nothing of something

To regard it as normal or straightforward.

To feel no hesitation, guilt or regret about it.
Example: thinks nothing of leaving the dog alone all day

Idiom: think nothing of it

It doesn't matter; there is no need for thanks.

Idiom: to say nothing of something

As well as it; not to mention it.

Etymology: Anglo-Saxon.