Synonyms and related words :
accidental, adrift, beside the mark, beside the point, beside the question, broken, broken off, by-the-way, casual, chopped-off, choppy, decousu, disconnected, discontinued, discontinuous, discrete, disjunctive, episodic, extraneous, extrinsic, fitful, herky-jerky, immaterial, impertinent, inadmissible, inapplicable, inapposite, inappropriate, incidental, incoherent, inconsequent, intercalary, interjectional, intermittent, interpolative, interrupted, irregular, irrelative, irrelevant, jagged, jerky, nihil ad rem, noncontinuous, nonessential, nonlinear, nonsequential, nonserial, nonuniform, not at issue, occasional, off the subject, out-of-the-way, parenthetical, patchy, scrappy, snatchy, spasmodic, spotty, suspended, unconnected, unessential, unjoined, unsuccessive