kid·​do | \ ˈki-(ˌ)dō How to pronounce kiddo (audio) \
plural kiddos

Definition of kiddo

1 used as a familiar form of address you'll be OK, kiddo
2 : child, kid

Keep scrolling for more

Synonyms & Antonyms for kiddo


bairn [chiefly Scottish], bambino, bud, chap [Southern & Midland], chick, child, cub, juvenile, kid, kiddie (also kiddy), moppet, sprat, sprout, squirt, whelp, youngling, youngster, youth


adult, grown-up

Visit the Thesaurus for More 

Examples of kiddo in a Sentence

let's go out to a restaurant where there won't be any screaming kiddos running around

Recent Examples on the Web

His favorite spots: Vintner Grill for wine and appetizers, Mount Charles for hiking and biking, trampoline parks for entertaining the kiddos. Alex Prewitt,, "Vegas Golden Knights Concierge: Deryk Engelland Helping Teammates Adjust To New City," 17 Aug. 2017 For kiddos: Planet Snoopy is a part of the park with lots of kid-friendly rides featuring the classic Peanuts characters. Dana Branham,, "How to make the most of your visit to Kings Island," 3 Aug. 2017 The giant under-the-sea pineapple has been recreated much to the delight of screaming kiddos (and adults) everywhere. Meredith Woerner,, "Comic-Con 2017 preview night: The best bits and strangest attractions from the convention floor," 20 July 2017

These example sentences are selected automatically from various online news sources to reflect current usage of the word 'kiddo.' Views expressed in the examples do not represent the opinion of Merriam-Webster or its editors. Send us feedback.

See More

First Known Use of kiddo

1905, in the meaning defined at sense 1

History and Etymology for kiddo

kid entry 1

Keep scrolling for more

Learn More about kiddo

Dictionary Entries near kiddo






kiddush hashem


Statistics for kiddo

Look-up Popularity

Time Traveler for kiddo

The first known use of kiddo was in 1905

See more words from the same year

Keep scrolling for more

More Definitions for kiddo



English Language Learners Definition of kiddo

chiefly US, informal used by an adult to speak to a young person

More from Merriam-Webster on kiddo

Thesaurus: All synonyms and antonyms for kiddo

Comments on kiddo

What made you want to look up kiddo? Please tell us where you read or heard it (including the quote, if possible).


to wander slowly or to speak indistinctly

Get Word of the Day daily email!

Test Your Vocabulary

Where in the World? A Quiz

  • peter bruegel tower of babel painting
  • What language does pajama come from?
Spell It

Can you spell these 10 commonly misspelled words?

Add Diction

Test Your Knowledge - and learn some interesting things along the way.

Love words? Need even more definitions?

Subscribe to America's largest dictionary and get thousands more definitions and advanced search—ad free!