<b><font size="4">"roller coaster"</font></b><br/><b>noun</b> <ol> <li>anything characterized by abrupt and extreme changes (especially up and down); "the economy has been on a roller coaster all year" </li> <li>elevated railway in an amusement park (usually with sharp curves and steep inclines) [syn: <a href="/">big dipper</a>, <a href="../chute-the-chute.html">chute-the-chute</a>]</li> </ol> Source: <a href="../rollercoaster.html">http://www.word.sc/roller coaster</a>

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