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Discover LudwigSuggestions(5)
"by heart" is a correct and commonly used phrase in written English
It means to know or remember something very well and without having to think about it. You can use "by heart" when referring to memorization or mastery of a certain skill or information. For example: - I learned all the lyrics to my favorite song by heart. - She recited the poem by heart, impressing the entire audience. - It's important to know your multiplication tables by heart in order to solve math problems quickly.
Dictionary
By heart
phrase
Knowing completely; as having committed completely to memory.
Exact(58)
By heart!
By heart, he meant the human spirit.
By heart the syntax is a must.
He knew it by heart".
You know them by heart.
Etan knew it by heart.
Everyone knows the script by heart.
Instead, she began learning poems by heart.
He learned the whole thing by heart.
There are passages I know by heart.
They know the references by heart".
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Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com