Affecting or extending throughout an entire borough; applying to all parts of a borough.
Compound of borough (fortified town) + wide (Old English wīd, meaning broad or extending). This is a modern compound following the pattern of citywide and countywide.
This word shows how English constantly creates new adjectives for 'everywhere in a place'—once we had citywide, boroughwide naturally followed, and now we have words like statewide and nationwide, all built from the same recipe.
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