503 entries under noun topic. ×

3
regard(trouble, mark, note, concern)
3
single-mindedness(attention, vision, accumulation, application)
3
vehemence(force, power, passion, strength)
3
wistfulness
2
abstraction(study, class, exercise, subject)
2
agglomeration(mass, pile, lot, stock)
2
analysis(study, class, exercise, thought)
2
ardor(force, power, passion, strength)
2
ardour
2
assimilation
2
awareness(interest, notice, attention, thought)
2
batch(mass, pile, lot, stock)
2
brooding
2
caution(trouble, mark, note, regard)
2
centralism
2
cogitation(study, class, exercise, thought)
2
congeries(mass, pile, lot, stock)
2
consciousness(interest, notice, thought)
2
crowd(group, mass, association, meeting)
2
doggedness(care, firmness, intensity, devotion)
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APASmart Define. (2016). concentration thesaurus. Retrieved September 28, 2026, from https://smartdefine.org/concentration/thesaurus/synonyms
ChicagoSmart Define. 2016. "concentration thesaurus" https://smartdefine.org/concentration/thesaurus/synonyms (accessed September 28, 2026).
HarvardSmart Define 2016, concentration thesaurus, Smart Define, viewed 28 September, 2026, <https://smartdefine.org/concentration/thesaurus/synonyms>.
MLASmart Define. "concentration thesaurus" 14 March 2016. Web. 28 September 2026. <https://smartdefine.org/concentration/thesaurus/synonyms>