B1 adjective /ˈtʃaɪl.dɪʃ/
Childish
শিশুসুলভ; শিশুর ন্যায় নির্দোষী;
Meaning
immature and silly; behaving in a way that is typical of a child but inappropriate for an adult
Example
His childish behavior during the meeting was quite embarrassing.
মিটিংয়ের সময় তার শিশুসুলভ আচরণ বেশ লজ্জাজনক ছিল।