peace of mind
Noun
Meaning
the absence of mental stress or anxiety
Source: WordNetSynonyms
Antonyms
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Examples
A foundation of Bokononism is that the religion, including its texts, is formed entirely of lies; however, one who believes and adheres to these lies will have peace of mind, and perhaps live a good life.
And from today on, you would not have peace of mind because you have dared Allah, his prophet and the religion of Islam.
And those who hate us can take solace in the fact that they aren't subsidizing Bill's bombast; we payers of the BBC license fee don't enjoy that peace of mind.
At the same time his peace of mind was undermined by his mother's failing health.
And it is out of our respect for them, for their peace of mind and those of their families that we have decided on this course of action.
And when it's complete, you'll be able to approach your retirement confidently and with peace of mind.