Use the noun locality when you need an official-sounding way to say " area " or "region." For example, you might say, "I am so pleased to finally have a doughnut shop in my locality." Locality is a formal word for the area that surrounds the place you are in or are talking about. Learn how to use it in sentences, see pictures and find synonyms for locality . Learn the meaning of locality as a noun in English, with synonyms, related words, and usage examples. A locality is a particular area or neighborhood, or a part of a state or country. There are 11 meanings listed in OED's entry for the noun locality , four of which are labelled obsolete. See ‘ Meaning & use’ for definitions, usage, and quotation evidence.