count (someone) in
idiom
: to plan to include (someone) in an activity : to consider (someone) as one of the people who will be doing something
"Do you want to go to the beach with us?" "Yes! Count me in!"
Cite this Entry
“Count (someone) in.” Merriam-Webster.com Dictionary, Merriam-Webster, https://www.merriam-webster.com/dictionary/count%20%28someone%29%20in. Accessed 27 Sep. 2025.
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Merriam-Webster unabridged
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