Definitions:

1. A numerical value representing nothing or none. NOUN
   • 5 minus 5 equals zero.
2. A person or thing of no significance or value. NOUN
   • They treated him like a zero after the project failed.
3. A point of origin or baseline in measurement. NOUN
   • The temperature dropped to zero degrees.
4. Having no measurable or significant quantity. ADJECTIVE
   • There is zero chance of rain today.
5. In military or aviation terms, refers to a Japanese fighter aircraft used in World War II. NOUN
   • The Allied forces encountered a squadron of Zeros over the Pacific.
6. To adjust a device or instrument to base level or starting point. VERB
   • He zeroed the scale before weighting the ingredients.
7. To focus attention closely on something. VERB
   • The detective zeroed in on the prime suspect.

Synonyms:

• Nil
• nothing
• nought
• zilch

NearBy Words:

• zero
• zeroth