O’Neill (?-n?l?), Eugene Gladstone 1888-1953. American playwright. Among his works are Mourning Becomes Electra (1931) and Long Day’s Journey into Night (produced 1956), for which he was awarded his fourth Pulitzer Prize. He won the 1936 Nobel Prize for literature.American Heritage® Dictionary of the English Language, Fifth Edition. Copyright © 2016 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.O’Neill (???ni?l) n (Biography) Eugene (Gladstone). 1888?1953, US dramatist. His works, which are notable for their emotional power and psychological analysis, include Desire under the Elms (1924), Strange Interlude (1928), Mourning becomes Elektra (1931), Long Day’s Journey into Night (1941), and The Iceman Cometh (1946): Nobel prize for literature 1936Collins English Dictionary ? Complete and Unabridged, 12th Edition 2014 © HarperCollins Publishers 1991, 1994, 1998, 2000, 2003, 2006, 2007, 2009, 2011, 2014O’Neill (o??nil) n. Eugene (Gladstone), 1888?1953, U.S. playwright: Nobel prize 1936. Random House Kernerman Webster’s College Dictionary, © 2010 K Dictionaries Ltd. Copyright 2005, 1997, 1991 by Random House, Inc. All rights reserved.