: the manner of conducting oneself
a : anything that an organism does involving action and response to stimulation b : the response of an individual, group, or species to its environment
—be·hav·ior·al or chiefly British be·hav·iour·al \-vyə-rəl\ adjective
—be·hav·ior·al·ly or chiefly British be·hav·iour·al·ly \-rə-lē\ adverb
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