25 synonyms for concentration such as assemblage, absorption, accumulation, and aggregation. Concentration is a noun, and its antonyms are inattention and distraction.
Absorption, application, assiduousness, attentiveness, centralization, centring, close attention, close thought, direction, engrossment, focusing, industry, and single-mindedness.
Accumulation, agglomeration, aggregation, assemblage, assembly, cluster, collection, congregation, flock, gathering, and mass.