as in immature
having or showing the annoying qualities (as silliness) associated with children you almost spoiled the ceremony for everyone with your childish giggling

Synonyms & Similar Words

Relevance

Antonyms & Near Antonyms

Example Sentences

Examples are automatically compiled from online sources to show current usage. Read More Opinions expressed in the examples do not represent those of Merriam-Webster or its editors. Send us feedback.
Recent Examples of childish Any version of art for art’s sake has always seemed a little childish to me, a bit of adolescent posturing (the phrase was apparently especially beloved by members of the 19th century Aesthetic Movement, one of the high points of a certain kind of brattiness). Literary Hub, 7 Oct. 2025 Very unprofessional and very very childish. Cole Sullivan, MSNBC Newsweek, 6 Oct. 2025 Senate Majority Leader Chuck Schumer referred to an earlier video, also featuring Jeffries in a sombrero, as childish and evidence that the White House and the GOP were unserious about the shutdown. Ted Johnson, Deadline, 1 Oct. 2025 Because, really, that childish interaction is based in love, right? Max Gao, HollywoodReporter, 21 Sep. 2025 See All Example Sentences for childish
Recent Examples of Synonyms for childish
Adjective
  • Noah's sister-in-law Esther (Jackie Tohn), the Jewish character portrayed most insultingly last year, has thankfully been softened and refined, and has somehow become the lone voice of reason amongst a group of immature idiots.
    Kelly Lawler, USA Today, 23 Oct. 2025
  • Stem cells are immature cells that have the ability to turn into insulin-producing beta cells and to produce more cells like themselves.
    Tara Haelle, Scientific American, 14 Oct. 2025
Adjective
  • The Biden Administration's contrary position depended on the obvious fallacy that providing testosterone to treat a boy's endocrine disorder is the 'same treatment' as using the drug to disrupt the normal physical development of an adolescent girl suffering from psychological distress.
    Mandy Taheri, MSNBC Newsweek, 24 Oct. 2025
  • Did an adolescent Bruce really have to walk into bars and collect his father, at the urging of his mother?
    Andy Greene, Rolling Stone, 24 Oct. 2025
Adjective
  • Starring Daniel Chen and based on Chen’s life, Bad Boy tells the story of Dean, who is imprisoned in a cruel juvenile detention facility.
    Max Goldbart, Deadline, 3 Nov. 2025
  • In August 2020, five orcas chased a juvenile white shark, pushed it to the surface, and flipped it onto its back.
    Aamir Khollam, Interesting Engineering, 3 Nov. 2025

Browse Nearby Words

Cite this Entry

“Childish.” Merriam-Webster.com Thesaurus, Merriam-Webster, https://www.merriam-webster.com/thesaurus/childish. Accessed 7 Nov. 2025.

More from Merriam-Webster on childish

Last Updated: - Updated example sentences
Love words? Need even more definitions?

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