Zero

UK /["/ˈzɪərəʊ/"]/US /["/ˈzɪrəʊ/"]/

Definition

The numerical symbol representing no quantity or value.

In simple words: The number 0.

Examples

Five, four, three, two, one, zero… We have lift-off.
It was ten degrees below zero last night *(= −10°C)*.
The thermometer had fallen to zero.
I rated my chances as zero.
zero inflation

Usage notes

Used in mathematics to represent nothing or no quantity. It can also suggest a starting point in various contexts but should not be used in formal contexts when discussing negative outcomes or failures.

Grammar pattern

standalone number

Memory hint

Think of a 'zero' as an empty balloon.

Collocations

zero tolerance
zero degree
zero sum

Synonyms

none
naught
nil

Antonyms

full
total

Common mistakes

Confusing 'zero' with 'none' — they have different contexts.
Using 'zero' in phrases that require positive quantities.
Pronouncing 'zero' incorrectly, especially as 'zero' or 'zeero'.