Definitions:

1. A region that is devoid of matter. NOUN
   • In classical physics, a perfect vacuum is an idealization that does not exist in reality because it is impossible to remove all matter from a space completely.
2. An electrical home appliance that cleans by suction. NOUN
   • The powerful vacuum effortlessly removed the pesky dust bunnies from the carpet.
3. An empty area or space. NOUN
   • The withdrawal of troops from the area has created a security vacuum which will need to be filled.
4. The absence of matter. NOUN
   • The sudden resignation of the CEO created a leadership vacuum in the company.

Synonyms:

• Emptiness
• space
• vacuity
• vacuum cleaner
• void