conscience (consciences plural )
1 n-count Your conscience is the part of your mind that tells you whether what you are doing is right or wrong. If you have a guilty conscience, you feel guilty about something because you know it was wrong. If you have a clear conscience, you do not feel guilty because you know you have done nothing wrong.
usu sing, with supp, oft poss N, adj N
I have battled with my conscience over whether I should actually send this letter..., What if he got a guilty conscience and brought it back?..., I could go away again with a clear conscience.
2 n-uncount Conscience is doing what you believe is right even though it might be unpopular, difficult, or dangerous.
He refused for reasons of conscience to sign a new law legalising abortion., ...the law on freedom of conscience and religious organizations.
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prisoner of conscience
3 n-uncount Conscience is a feeling of guilt because you know you have done something that is wrong.
I'm so glad he had a pang of conscience..., They have shown a ruthless lack of conscience.
4 If you say that you cannot do something in all conscience, in good conscience, or in conscience, you mean that you cannot do it because you think it is wrong.
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in good conscience/in all conscience phrase PHR with cl, with brd-neg
She could not, in good conscience, back out on her deal with him.
5 If you have something on your conscience, you feel guilty because you know you have done something wrong.
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on your conscience phrase PHR after v, v-link PHR
Now the murderer has two deaths on his conscience.