Gideon is very reliable - if he says he'll do something, he'll do it.
- What is the most reliable method of contraception?
- A great deal of effort has gone into making the software reliable.
- Price alone is not a reliable indicator of quality.
- We have reliable information that a strike is planned next month.
- This survey is considered to be a reliable barometer of public opinion.
noun [ U ] uk /rɪˌlaɪ.əˈbɪl.ə.ti/ us /rɪˌlaɪ.əˈbɪl.ə.t̬i/