adjective, luck·i·er, luck·i·est.

having or marked by good luck; fortunate: That was my lucky day.
happening fortunately: a lucky accident.
bringing or foretelling good luck, or supposed to do so: a lucky penny.

Origin of lucky

First recorded in 1495–1505; luck + -y1
Related formsluck·i·ness, noun

Synonyms for lucky

Synonym study

1. See fortunate.

Antonyms for lucky Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2019

Examples from the Web for luckiest

Contemporary Examples of luckiest

Historical Examples of luckiest

  • So this capture of Naomi was the luckiest chance that could have befallen him at such a moment.

    The Scapegoat

    Hall Caine

  • You mean—no matter—I suppose the luckiest hand is not all trumps!

    Lord Kilgobbin

    Charles Lever

  • Do you ever look upon yourself as the luckiest fellow in Europe, Upton?

    The Fortunes Of Glencore

    Charles James Lever

  • Isn't it the luckiest thing that everyone hasn't the same likes?

    Mary Rose of Mifflin

    Frances R. Sterrett

  • Isn't it the luckiest thing that Ella had so many beautiful clothes!

    Mary Rose of Mifflin

    Frances R. Sterrett

British Dictionary definitions for luckiest


adjective luckier or luckiest

having or bringing good fortune
happening by chance, esp as desired
Derived Formsluckily, adverbluckiness, noun
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

Word Origin and History for luckiest



mid-15c., of persons; 1540s, of actions or objects, "likely to bring luck;" from luck + -y (2). Meaning "occurring by chance" is 1590s. Related: Luckier; luckiest; luckiness. Lucky break is attested from 1884 in billiards; 1872 as "failure or break-down which turns out to be fortunate." Lucky Strike as the name of a brand of cigarettes (originally chewing tobacco) popular mid-20c. is said to date from 1871; popular from 1935 when the brand’s maker picked up sponsorship of "Your Hit Parade" on radio.

Online Etymology Dictionary, © 2010 Douglas Harper

Idioms and Phrases with luckiest


see born under a lucky star; strike it rich (lucky); thank one's lucky stars.

The American Heritage® Idioms Dictionary Copyright © 2002, 2001, 1995 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company.