the quality of being subject to variation
"The high variability in daily temperatures made it difficult to plan outdoor events."
the quality of being uneven and lacking uniformity
"The high variability in daily temperatures made it difficult to plan outdoor activities."
The state or characteristic of being variable.
"The high variability in daily temperatures made it difficult to plan outdoor events."
In plain English: Variability is how much something changes from time to time or between different situations.
"The variability in the weather made planning our picnic difficult."
Usage: Variability refers to how much something changes over time, such as weather patterns or stock prices. Use this term when describing fluctuations in data rather than the specific range of values itself.
Derived form of variable, from Old French variable; see variable + -ity.