503 entries under noun topic. ×

4
combination(attention, union, vision, application)
4
confluence(edge, convergence)
4
conflux(edge, convergence)
4
contemplation(study, mind, interest, notice)
4
contraction(decrease, reduction)
4
curtailment(decrease, reduction)
4
debate(study, mark, note, regard)
4
distillate(concentrate, extract, refinement)
4
distillation(concentrate, extract, refinement)
4
essence(concentrate, extract, reduction)
4
extract
4
extraction
4
flock(group, mass, crowd, association)
4
mindfulness(trouble, note, regard, concern)
4
observation(mark, note, regard, interest)
4
thickness(mass, density, depth, width)
3
abbreviation
3
aggregation(group, mass, crowd, association)
3
array(mass, aggregation)
3
audience(mass, aggregation)
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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>