/ rɪˈlaɪəbl; NAmE / adjective
1.
that can be trusted to do sth well; that you can rely on
SYN dependable :
We are looking for someone who is reliable and hard-working.
a reliable friend
My car's not as reliable as it used to be.
2.
that is likely to be correct or true :
Our information comes from a reliable source.
a reliable witness
OPP unreliable
► re·li·abil·ity / rɪˌlaɪəˈbɪləti; NAmE / noun [ U ]:
The incident cast doubt on her motives and reliability.
The reliability of these results has been questioned.
► re·li·ably / -əbli; NAmE / adverb :
I am reliably informed (= told by sb who knows the facts) that the company is being sold.