Princeton's WordNet

1. nothingness, void, nullity, nihility(noun)

   the state of nonexistence

2. void, vacancy, emptiness, vacuum(adj)

   an empty area or space

   "the huge desert voids"; "the emptiness of outer space"; "without their support he'll be ruling in a vacuum"

3. null, void(adj)

   lacking any legal or binding force

   "null and void"

4. void(verb)

   containing nothing

   "the earth was without form, and void"

5. invalidate, annul, quash, void, avoid, nullify(verb)

   declare invalid

   "The contract was annulled"; "void a plea"

6. void(verb)

   clear (a room, house, place) of occupants or empty or clear (a place or receptacle) of something

   "The chemist voided the glass bottle"; "The concert hall was voided of the audience"

7. invalidate, void, vitiate(verb)

   take away the legal force of or render ineffective

   "invalidate a contract"

8. evacuate, void, empty(verb)

   excrete or discharge from the body

Wiktionary

1. void(Noun)

   An empty space; a vacuum.

   Nobody had crossed the void since one man died trying three hundred years ago; it's high time we had another go.

2. void(Noun)

   An extended region of space containing no galaxies

3. void(Verb)

   To withdraw, depart.

4. void(Verb)

   To make invalid or worthless.

   He voided the check and returned it.

5. void(Verb)

   To empty.

   void oneu2019s bowels

6. void(Adjective)

   Having lost all legal validity

   null and void

7. void(Adjective)

   That does not return a value.

Origin: From vuit, voide (modern vide).

Webster Dictionary

1. Void(adj)

   containing nothing; empty; vacant; not occupied; not filled

2. Void(adj)

   having no incumbent; unoccupied; -- said of offices and the like

3. Void(adj)

   being without; destitute; free; wanting; devoid; as, void of learning, or of common use

4. Void(adj)

   not producing any effect; ineffectual; vain

5. Void(adj)

   containing no immaterial quality; destitute of mind or soul

6. Void(adj)

   of no legal force or effect, incapable of confirmation or ratification; null. Cf. Voidable, 2

7. Void(noun)

   an empty space; a vacuum

8. Void(adj)

   to remove the contents of; to make or leave vacant or empty; to quit; to leave; as, to void a table

9. Void(adj)

   to throw or send out; to evacuate; to emit; to discharge; as, to void excrements

10. Void(adj)

    to render void; to make to be of no validity or effect; to vacate; to annul; to nullify

11. Void(verb)

    to be emitted or evacuated

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