capricious

As an adjective capricious is

impulsive and unpredictable; determined by chance, impulse, or whim.

As a noun taxonomy

is the science or the technique used to make a classification.

As an adjective capricious is

impulsive and unpredictable; determined by chance, impulse, or whim.

Arbritary is likely misspelled.

Arbritary has no English definition.

As an adjective capricious

is impulsive and unpredictable; determined by chance, impulse, or whim.

As an adjective capricious is

impulsive and unpredictable; determined by chance, impulse, or whim.

As a proper noun rash

is .

As an adjective capricious is

impulsive and unpredictable; determined by chance, impulse, or whim.

As adjectives the difference between capricious and unstable

is that capricious is impulsive and unpredictable; determined by chance, impulse, or whim while unstable is having a strong tendency to change.

As adjectives the difference between capricious and fitful

is that capricious is impulsive and unpredictable; determined by chance, impulse, or whim while fitful is irregular; unsteady; characterized by fits.

As adjectives the difference between brash and capricious

is that brash is impetuous or rash while capricious is impulsive and unpredictable; determined by chance, impulse, or whim.

As a noun brash

is leaf litter of small leaves and little twigs as found under a hedge.