This word is acceptable for play in the US & UK dictionaries that are being used in the following games:

• Lexulous
• Wordscraper
• Wordosaur

adj. Of, pertaining to, or as if using parentheses

adj. That digresses; discursive or rambling

adj. Of the nature of a parenthesis; pertaining to, or expressed in, or as if in, a parenthesis

adj. Using or containing parentheses.

adj. Added within parentheses to amplify or explain.

Same as parenthetical.

adj. qualifying or explaining; placed or as if placed in parentheses

"While analogical change within the numeral set is common and possible in general, it doesn't appear probable here when Starostin's typically "parenthetic" *ŋi̯u "3" has not been demonstrated with regular sound correspondences using a competently reconstructed phonology that doesn't violate phonemic markedness at every turn."

incidental    incident    parenthetical   

religion    parabolical    anti-competitive    run-on    96th