Variable
/ˈvɛəɹ.i.ə.bl̩/
noun
Something that is variable.
Something whose value may be dictated or discovered.
“There are several variables to consider here.”
A quantity that may assume any one of a set of values.
Synonyms: variable quantity, changeable, parameter
adjective
Able to vary or be varied.
“variable winds or seasons; a variable quantity; a variable resistor”
Likely to vary.
Marked by diversity or difference.
Synonyms: alterable, changeable, flexible, mutable, aberrant, fickle, fluctuating, inconstant