The quality or state of being diffusive; tendency to spread out or disperse, or tendency to be wordy and unfocused.
From diffusive + -ness. This compounds three morphemes: diffuse (Latin) + -ive (Latin suffix) + -ness (Germanic suffix), exemplifying English's synthesis of Romance and Germanic elements.
Teachers might mark an essay with 'reduce diffusiveness' meaning both organizational scatter and wordiness—the term elegantly captures how both scattered structure and verbose language make writing hard to follow.
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