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Onassis

American  
[oh-nas-is, oh-nah-sis] / oʊˈnæs ɪs, oʊˈnɑ sɪs /

noun

  1. Aristotle Socrates, 1906–75, Greek businessman, born in Turkey.

  2. Jacqueline (Lee Bouvier Kennedy) Jackie, 1929–94, wife of John F. Kennedy (1953–63) and Aristotle Onassis (1968–75).


Onassis British  
/ əʊˈnæsɪs /

noun

  1. Aristotle ( Socrates ). 1906–75, Argentinian (formerly Greek) shipowner, born in Turkey. In 1968 he married Jacqueline, 1929–94, the widow of US President John F. Kennedy

"Collins English Dictionary — Complete & Unabridged" 2012 Digital Edition © William Collins Sons & Co. Ltd. 1979, 1986 © HarperCollins Publishers 1998, 2000, 2003, 2005, 2006, 2007, 2009, 2012

Example Sentences

Examples are provided to illustrate real-world usage of words in context. Any opinions expressed do not reflect the views of Dictionary.com.

See Examples For:

He transformed her wardrobe, and in 1968 she picked an ivory-coloured lace dress from his famous white collection for her second marriage to Greek shipping mogul Aristotle Onassis.

From Barron's Jan. 19, 2026

As first reported by the New York Post, Schumer’s new apartment overlooks Central Park and the Jackie Kennedy Onassis Reservoir—and offers three bedrooms and 3.5 bathrooms.

From MarketWatch Jan. 15, 2026

Another Greek shipping magnate, Aristotle Onassis, once said that his yacht, the 325-foot Christina O—which hosted luminaries including Winston Churchill and John F. Kennedy—was “the best office in the world.”

From The Wall Street Journal Oct. 7, 2025

A year later, Onassis died, which it is said to have caused Callas to lose interest in life.

From Los Angeles Times Dec. 14, 2024

Callas notably had an affair with Greek shipping tycoon Aristotle Onassis, who ultimately left her for Jackie Kennedy.

From Salon Aug. 29, 2024

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