nothing

n. not one thing; no part of; lack of meaning; having no existence; someone or something of no significance

adv. in no way, in no degree

Nothing is commonly understood as the lack or absence of anything at all. Colloquially, the term is often used to indicate the lack of anything relevant or significant, or to describe a particularly unimpressive thing, event, or object.
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Noun
1. a quantity of no importance; "it looked like nothing I had ever seen before"; "reduced to nil all the work we had done"; "we racked up a pathetic goose egg"; "it was all for naught"; "I didn't hear zilch about it"
(synonym) nil, nix, nada, null, aught, cipher, cypher, goose egg, naught, zero, zilch, zip
(hypernym) relative quantity
(hyponym) nihil
2. a nonexistent thing
(synonym) nonentity
(hypernym) thing
Adverb
1. in no way; to no degree; "he looks nothing like his father"

(n.)
Not anything; no thing (in the widest sense of the word thing); -- opposed to anything and something.
  

(n.)
Nonexistence; nonentity; absence of being; nihility; nothingness.
  

(n.)
A thing of no account, value, or note; something irrelevant and impertinent; something of comparative unimportance; utter insignificance; a trifle.
  

(n.)
A cipher; naught.
  

(adv.)
In no degree; not at all; in no wise.
  

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Having nothing to spare.
Said of a poor person who doesn't have a thing of value. To have nothing more than daily necessities.