Word forms: plural public services1. countable nounA public service is something such as health care, transport, or the removal of waste which is organized by the government or an official body in order to benefit all the people in a particular society or community.
The money is used by local authorities to pay for public services.
...a strike by public service workers.
2. uncountable noun [oft NOUN noun]You use public service to refer to activities and jobs which are provided or paid for by a government, especially through the civil service.
...a distinguished career in public service.
...the idea of low-wage public service jobs.
3. adjective [ADJECTIVE noun]Public service broadcasting consists of television and radio programmes supplied by an official or government organization, rather than by a commercial company. Such programmes often provide information or education, as well as entertainment.
4. uncountable nounPublic service activities and types of work are concerned with helping people and providing them with what they need, rather than making a profit.
...the notion of public service and obligation which has been under such attack.
...an egalitarian society based on cooperation and public service.
5. countable noun [usually singular]If you perform a public service, you do something that helps or benefits the people in a particular community.
Celebrities perform a public service by retweeting these appeals.