rogue wave

Gigantic, unpredictable, nonsurfable midocean wave, usually solitary, thought to be the result of two or more waves meeting up from intersecting swells. A rogue wave is also known as a "nonnegotiable wave." Ships and ocean liners occasionally come across a rogue wave. Just after four A.M. on September 11, 1995, the Queen Elizabeth II, sailing from France to New York, ran into a wave whose crest wa...