Top definition
Someone who practices, works toward, and believes in being great.
Mary chose whole wheat over white bread 'cause she's trying to be her greatist.

Paul's a greatist. Reads The Greatist Blog every day.
by arealperson8 April 23, 2011
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Oct 3 Word of the Day
I couldn’t care less (but one must keep up appearances, right?)
Frenemy has a family tragedy. "Thoughts and prayers."
by November 05, 2018
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