for all (someone) cares
idiom
informal
—used to say that someone does not care at all about something
For all I care, he can leave today.
She could quit the whole thing, for all he cares.
Dictionary Entries Near for all (someone) cares
for all (someone) cares
Cite this Entry
“For all (someone) cares.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/for%20all%20%28someone%29%20cares. Accessed 18 Dec. 2024.
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