incalculable

adjective

Impossible to calculate.

adjective

Too great to be calculated or reckoned.

adjective

Impossible to foresee; unpredictable.

Not calculable; incapable of being calculated or reckoned; indeterminable by calculation.

Not to be reckoned upon; that cannot be forecast.

adjective

Not capable of being calculated; beyond calculation; very great.

adjective

Very great or numerous.

adjective

Impossible to calculate.

adjective

Of a person’s mood or character, etc.: Impossible to predict.