11 entries under incidentally topic. ×

4
parenthetically(adverb, aside, casually, accidentally)
3
apart from(adverb, addition, complement, aside, exception)
2
speaking of(adverb, aside)
1
as to(adverb, aside)
1
aside
1
by the bye(adverb, aside, casually, accidentally)
1
in as much as(adverb, aside)
1
on the part of(adverb, aside)
1
relating to(adverb, aside)
1
while on the subject(adverb, aside)
1
with reference to(adverb, aside)
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APASmart Define. (2015). in passing thesaurus. Retrieved September 24, 2026, from https://smartdefine.org/in_passing/thesaurus/synonyms
ChicagoSmart Define. 2015. "in passing thesaurus" https://smartdefine.org/in_passing/thesaurus/synonyms (accessed September 24, 2026).
HarvardSmart Define 2015, in passing thesaurus, Smart Define, viewed 24 September, 2026, <https://smartdefine.org/in_passing/thesaurus/synonyms>.
MLASmart Define. "in passing thesaurus" 14 April 2015. Web. 24 September 2026. <https://smartdefine.org/in_passing/thesaurus/synonyms>