: the ways in which two or more things, groups, etc., affect each other when they happen or exist together
—often + between or of
the interplay between the old and the new
enjoys the interplay of three very different flavors
—+ ofa complex interplay of light and color
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“Interplay.” Merriam-Webster.com Simple Definition, Merriam-Webster, https://www.merriam-webster.com/simple/interplay. Accessed 16 Jun. 2026.
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