Nonarranged

Korean culture includes three types of mate relationship: arranged, nonarranged (love), and eclectic (a combination of arranged and love).

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Having had a nonarranged marriage was found to be associated with favorable attitudes toward singlehood.

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Suppose a group of researchers wants to find psychological and behavioral similarities and differences between arranged marriages and nonarranged (love-based) marriages in the United States in a sample of families of Indian descent (Regan et al., 2012).

Source: wiktionary

This was revealed only in the experiments of ion bombardment of single crystals, because a polycrystalline material, even though its microcrystallites have a regular structure, in fact behaves like a nonarranged, random system.

Source: wiktionary