Dictionary.com
Thesaurus.com
Synonyms

Johnny-come-lately

American  
[jon-ee-kuhm-leyt-lee] / ˈdʒɒn iˌkʌmˈleɪt li /
Or Johnnie-come-lately

noun

plural

Johnny-come-latelies, Johnnies-come-lately

  1. a late arrival or participant; newcomer.

    the Johnny-come-latelies producing space-war films after the trend had ended.
Johnny-come-lately British  

noun

  1. a brash newcomer, novice, or recruit

"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
Johnny-come-lately Idioms  

  1. A newcomer, as in She may be a Johnny-come-lately on the board, but she's doing a fine job with publicity. [1830s]

Etymology

Origin of Johnny-come-lately

First recorded in 1825–35; from the proper name Johnny

Definitions and idiom definitions from Dictionary.com Unabridged, based on the Random House Unabridged Dictionary, © Random House, Inc. 2023

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