208 entries under expression topic. ×

11
subject matter(noun, idiom, force, understanding)
7
guinea pig(noun, idiom, subject, another)
7
field of study(noun, idiom)
7
lay open(verb, idiom, open, crack)
6
subject area(noun, idiom)
6
subject field(noun, idiom)
5
branch of knowledge(noun, idiom)
3
subject to(verb, adjective, phrasal verb, make)
2
bound by(adjective, collateral, subalternate, low-set)
2
course of study(noun, idiom, division, course)
2
depicted object(noun, idiom)
2
focus of attention
2
hold in bondage(idiom, subjection)
2
hold sway over(verb, idiom, control, run)
2
keep down(verb, phrasal verb)
2
keep under thumb(idiom, control, run, direct)
2
laboratory animal
2
lay down the law(idiom, control, run, direct)
2
lead captive(idiom, subjection)
2
matter in hand(idiom, point, line, issue)
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APASmart Define. (2016). subject thesaurus. Retrieved September 20, 2026, from https://smartdefine.org/subject/thesaurus/synonyms
ChicagoSmart Define. 2016. "subject thesaurus" https://smartdefine.org/subject/thesaurus/synonyms (accessed September 20, 2026).
HarvardSmart Define 2016, subject thesaurus, Smart Define, viewed 20 September, 2026, <https://smartdefine.org/subject/thesaurus/synonyms>.
MLASmart Define. "subject thesaurus" 1 April 2016. Web. 20 September 2026. <https://smartdefine.org/subject/thesaurus/synonyms>