› [C, usually plural] GOVERNMENT a service provided by the government, such as health care, education, or the police: Voters want to see the planned tax increases translate into noticeable improvements in public services. deliver/improve/provide public services › [U] GOVERNMENT the government and the work that its departments do: Reports of stress and low morale are discouraging people from careers in public service. public service workers › [C] SOCIAL RESPONSIBILITY something necessary that is done or provided for the public without trying to make a profit: The website's vision is to return to public broadcasting's roots as a public service.