variable

As a noun variable

is variable.

As a verb exciting is

.

As an adjective exciting is

creating or producing excitement.

Variable is a related term of alternating.

As a noun variable

is variable.

As a verb alternating is

.

As an adjective alternating is

that alternates.

Flighty is a related term of variable.

As an adjective flighty

is given to unplanned and silly ideas or actions.

As a noun variable is

variable.

Variable is a related term of queer.

As nouns the difference between variable and queer

is that variable is variable while queer is (colloquial) a person who is or appears homosexual, or who has homosexual qualities.

As an adjective queer is

(now|slightly|dated) weird, odd or different; whimsical.

As a verb queer is

to render an endeavor or agreement ineffective or null.

As an adverb queer is

queerly.

In programming terms the difference between concept and variable

is that concept is   In generic programming, a description of supported operations on a type, including their syntax and semantics while variable is a named memory location in which a program can store intermediate results and from which it can read them.

As nouns the difference between concept and variable

is that concept is an understanding retained in the mind, from experience, reasoning and/or imagination; a generalization (generic, basic form), or abstraction (mental impression), of a particular set of instances or occurrences (specific, though different, recorded manifestations of the concept) while variable is something that is variable.

As an adjective variable is

able to vary.

As adjectives the difference between variable and capricious

is that variable is able to vary while capricious is impulsive and unpredictable; determined by chance, impulse, or whim.

As a noun variable

is something that is variable.

Variable is a related term of irresolute.

As a noun variable

is variable.

As an adjective irresolute is

undecided or unsure how to act.

Variable is a related term of inconsistent.

As a noun variable

is variable.

As an adjective inconsistent is

not consistent.

Mercurial is a synonym of variable.

As nouns the difference between mercurial and variable

is that mercurial is (obsolete) any of the plants known as mercury while variable is variable.

As an adjective mercurial

is (often capitalized, see (mercurial)) pertaining to the planet mercury.