Childish

/ˈtʃɪldɪʃ/

Meaning & Definition

adjective
Having the qualities or characteristics of a child; immature.
His childish behavior during the meeting was distracting and unprofessional.
Showing a lack of maturity; simple or naive.
It's childish to throw a tantrum when you don't get your way.
Playfully silly or lighthearted.
The movie was filled with childish humor that appealed to younger audiences.

Etymology

From Middle English 'childish', from 'child' + '-ish'.

Common Phrases and Expressions

childish behavior:
actions that are characteristic of a child, often seen as immature or silly.
childish prank:
a mischievous act typical of children, often harmless but annoying.
childish games:
games that are primarily played by children, often simple and lacking deep strategy.

Related Words

Slang Meanings

acting like a baby
Don't be such a child, grow up!
being overly sensitive or dramatic
He's being so childish about not getting his way.