503 entries under noun topic. ×

2
observance(mark, note, regard, notice)
2
obsession(involvement, engagement)
2
persistence(care, firmness, intensity, devotion)
2
poignancy(passion, intensity)
2
power(force, passion, strength, energy)
2
purification
2
quantity(mass, pile, lot, stock)
2
refinement
2
reflection(study, class, exercise, thought)
2
remark(mark, note, regard, notice)
2
resolution(firmness, intensity, devotion, sincerity)
2
respect(mark, note, regard, notice)
2
reverie(study, class, exercise, subject)
2
scrutiny(study, mind, interest, notice)
2
speciality
2
spirit
2
stack(mass, pile, lot, stock)
2
tenacity(firmness, intensity, devotion, sincerity)
2
thinking(mind, interest, notice, attention)
2
thoughtfulness(mind, interest, notice, attention)
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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>