a playing card that is usually printed with a picture of a jester
an inconspicuous clause in a document or bill that affects its meaning in a way that is not immediately apparent; "when I demanded my money he showed me the joker in the contract"
a person who enjoys telling or playing jokes
a person who does something thoughtless or annoying; "some joker is blocking the driveway"
away from the outer edge; "an inner lane"; "the inside lane"
relating to or being on the side closer to the center or within a defined space; "he reached into his inside jacket pocket"; "inside out"; "an inside pitch is between home plate and the batter"
confined to an exclusive group; "privy to inner knowledge"; "inside information"; "privileged information"
necessarily or demonstrably true; "demonstrable truths"
capable of being demonstrated or proved; "obvious lies"; "a demonstrable lack of concern for the general welfare"; "practical truth provable to all men"- Walter Bagehot
having a bearing on or connection with the subject at issue; "the scientist corresponds with colleagues in order to learn about matters relevant to her own research"
an intricate knot tied by Gordius, the king of Phrygia, and cut by the sword of Alexander the Great after he heard that whoever undid it would become ruler of Asia
any very difficult problem; insoluble in its own terms