faith 
/ˈfeɪθ/ noun
plural faiths /ˈfeɪθ/ noun 1 [noncount] : strong belief or trust in someone or something
▪ His supporters have accepted his claims with blind/unquestioning faith. ▪ Our faith in the government has been badly shaken by the recent scandals. ▪ His parents have always had faith in him. = His parents have never lost faith in him. [=his parents have always believed that he is a person who deserves to be trusted and who will succeed] ▪ I have no faith in politicians. = I put/have little faith in politicians. [=I do not trust politicians] ▪ Lending him the money to start his own business was an act of faith. ▪ It requires a giant leap of faith for us to believe that she is telling the truth. — see also bad faith, good faith 2 a [noncount] : belief in the existence of God : strong religious feelings or beliefs
▪ religious faith ▪ Nothing is more important to her than her faith in God. ▪ She says that her faith has given her the courage to deal with this tragedy. ▪ He says he has found faith. [=he has begun to believe in God or has developed strong religious beliefs]
b [count] : a system of religious beliefs : religion
▪ people of all faiths ▪ the Christian/Jewish/Muslim faith
▪ His supporters have accepted his claims with blind/unquestioning faith. ▪ Our faith in the government has been badly shaken by the recent scandals. ▪ His parents have always had faith in him. = His parents have never lost faith in him. [=his parents have always believed that he is a person who deserves to be trusted and who will succeed] ▪ I have no faith in politicians. = I put/have little faith in politicians. [=I do not trust politicians] ▪ Lending him the money to start his own business was an act of faith. ▪ It requires a giant leap of faith for us to believe that she is telling the truth. — see also bad faith, good faith
▪ religious faith ▪ Nothing is more important to her than her faith in God. ▪ She says that her faith has given her the courage to deal with this tragedy. ▪ He says he has found faith. [=he has begun to believe in God or has developed strong religious beliefs]
b [count] : a system of religious beliefs : religion
▪ people of all faiths ▪ the Christian/Jewish/Muslim faith
accept/take (something) on faith
: to accept (something) as true without proof or evidence that it is true
▪ I'm not willing to take her statements on faith. ▪ I'll accept it on faith that he knows the truth.
▪ I'm not willing to take her statements on faith. ▪ I'll accept it on faith that he knows the truth.
an article of faith
: something that is believed without being questioned or doubted
▪ For many it is an article of faith that the economy will begin to improve soon.
▪ For many it is an article of faith that the economy will begin to improve soon.
break faith with
: to stop supporting or being loyal to (someone) : to betray (someone)
▪ He has accused the government of breaking faith with its supporters.
▪ He has accused the government of breaking faith with its supporters.
keep faith with
: to continue supporting or being loyal to (someone)
▪ He has kept faith with his old political allies.
▪ He has kept faith with his old political allies.
keep the faith
: to continue to believe in, trust, or support someone or something when it is difficult to do so
▪ The team has been playing poorly, but its devoted fans have kept the faith. [=they have continued to support the team]
▪ The team has been playing poorly, but its devoted fans have kept the faith. [=they have continued to support the team]
