on the streets Definition

street
noun

1. A public road with pavements and buildings at the side or sides, especially one in a town.

Thesaurus: road, avenue, boulevard, thoroughfare, route, artery, highway (US), parkway (US).
Form: Street (also in addresses)
2. The road and the buildings together.
3. The area between the opposite pavements that is used by traffic.
4. The people in the buildings or on the pavements.

Example: tell the whole street
5a. Relating to, happening on, etc a street or streets;

Example: street map
Example: street theatre
5b. Referring, relating, etc to modern urban culture.

Example: streetwise
Example: street cred

Idiom: be right up someone's street (be up someone's street)

colloq
To be ideally suited to them.

Idiom: on the street (on the streets)

Homeless.

Practising prostitution, especially soliciting.

Idiom: streets ahead of someone or something

colloq
Much more advanced than or superior to them.

Idiom: streets apart

Very noticeably different.

Idiom: walk the streets

To walk from street to street.

To solicit as a prostitute on the street.

Etymology: Anglo-Saxon stræt.