77 entries under adjective topic. ×

10
parenthetic(approach, digressive)
6
episodic(incidental, interposition, irrelation)
6
extraneous(incidental, extraneous)
6
extrinsic(incidental, extraneous)
5
incidental(incidental, irrelation)
3
subordinate
3
bracketed
3
disconnected
3
immaterial
2
inadmissible
2
inapplicable
2
inappropriate
2
intermediate
2
irrelevant
2
nonessential
2
related
2
unessential
2
by the way(expression, idiom, incidental)
2
casual
2
exotic
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APASmart Define. (2015). parenthetical thesaurus. Retrieved September 22, 2026, from https://smartdefine.org/parenthetical/thesaurus/synonyms
ChicagoSmart Define. 2015. "parenthetical thesaurus" https://smartdefine.org/parenthetical/thesaurus/synonyms (accessed September 22, 2026).
HarvardSmart Define 2015, parenthetical thesaurus, Smart Define, viewed 22 September, 2026, <https://smartdefine.org/parenthetical/thesaurus/synonyms>.
MLASmart Define. "parenthetical thesaurus" 14 April 2015. Web. 22 September 2026. <https://smartdefine.org/parenthetical/thesaurus/synonyms>