5
seasonably(adverb, freshly)
4
appurtenant(adjective, appropriate)
4
apropos of(verb, expression, phrasal verb, preposition)
4
by the way(verb, expression, idiom, adverb, phrasal verb)
4
in reference to(expression, idiom)
4
in regard to(expression, idiom, preposition, against, re)
4
involving
4
kosher(adjective, appropriate, informal, proper, suitable)
4
re(adjective, preposition, against, regarding, concerning)
4
relating to(expression, adverb, preposition, touching, regarding)
4
relative to(expression, preposition, touching, against, re)
4
to the point(expression, adjective, idiom, appropriate, suitable)
4
well-timed(adjective, adverb, good, appropriate, true)
3
expedient(adjective, appropriate)
3
adapted
3
belonging(adjective, suitable, relevant)
3
by the by(expression, idiom, adverb)
3
comme il faut
3
in point(adjective, appropriate)
3
in re(expression, adjective, concerning)
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APASmart Define. (2016). apropos thesaurus. Retrieved September 23, 2026, from https://smartdefine.org/apropos/thesaurus/synonyms
ChicagoSmart Define. 2016. "apropos thesaurus" https://smartdefine.org/apropos/thesaurus/synonyms (accessed September 23, 2026).
HarvardSmart Define 2016, apropos thesaurus, Smart Define, viewed 23 September, 2026, <https://smartdefine.org/apropos/thesaurus/synonyms>.
MLASmart Define. "apropos thesaurus" 29 March 2016. Web. 23 September 2026. <https://smartdefine.org/apropos/thesaurus/synonyms>