Short enough or close enough to be accessible by walking. (adjective)
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Use "walkable" in a sentence
"In the period after the widespread ownership of the automobile, but before zoning codes became widespread, the most common neighborhood design consisted of single-family homes on individual lots of about 4000-7500 square feet, close to the sidewalk, in walkable neighborhoods."
"They are so handy and so necessary for shoppers who live in walkable cities/villages."
"People want to live in walkable, high quality, urban areas."