1. (a.) Of the nature Of a parenthesis; pertaining to, or expressed in, or as in, a parenthesis; as, a parenthetical clause; a parenthetic remark.

2. (a.) Using or containing parentheses.

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 parenthetic patchy scrappy snatchy spasmodic spotty suspended unconnected unessential unjoined unsuccessive