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Definition of: OK
Our photo definition of OK 
(ō′kā′) interj., adj., & adverb
All correct; all right: expressing approval, agreement, etc.
—v.t. (ō·kā′) OK'd, OK'ing To sign with an OK; endorse; approve. Also O.K., o′kay′; o′keh′. [<The Democratic O.K. Club, organized in 1840 to support President Martin Van Buren, nicknamed Old Kinderhook, from Kinderhook, N.Y., his birthplace]
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