PARENTHETIC
parenthetic, parenthetical
(adjective) qualifying or explaining; placed or as if placed in parentheses; “parenthetical remarks”
Source: WordNet® 3.1
Adjective
parenthetic (comparative more parenthetic, superlative most parenthetic)
Of, pertaining to, or as if using parentheses
(of speech) That digresses; discursive or rambling
Source: Wiktionary
Par`en*thet"ic, Par`en*thet"ic*al, a. Etym: [Cf. Gr.
1. Of the nature of a parenthesis; pertaining to, or expressed in, or
as in, a parenthesis; as, a parenthetical clause; a parenthetic
remark.
A parenthetical observation of Moses himself. Hales.
2. Using or containing parentheses.
Source: Webster’s Unabridged Dictionary 1913 Edition