Answer: continuous

AnswerCrossword Clue
continuousForming an unbroken whole; without interruption
continuous(of a function) Of which the graph is a smooth unbroken curve, i.e., one such that as the value of x approaches any given value a, the value of f(x) approaches that of f(a) as a limit
continuousmarked by uninterrupted extension in space, time, or sequence
continuousForming a series with no exceptions or reversals