crosstown adjective 3adverb 1 adjective3 •(US) Extending across a city or town. •Connecting different areas of a city or town without passing through downtown.But you can take the crosstown bus / If it's raining or it's cold, / And the animals will love it / If you do. — 1968 •Situated at the other end of town.The football team beat our crosstown rivals last night. adverb1 •To the other side of a city or town.