Definition

Behavior that is immature or childish, often seen in adults, and can indicate a mental health issue.

Example

His puerilism was evident when he threw a tantrum over a minor inconvenience.

Conversation

Have you ever noticed how some adults can act so strangely?

Yeah, sometimes it seems like they show signs of puerilism.

Right? It's like they never really grew up or something.

Exactly! It can be quite concerning to see that kind of behavior.

Synonyms & Antonyms

Root Explanation

Puerilism → It is formed from "puerilis" (from Latin, meaning childish or juvenile) and "-ism" (a suffix used to denote a practice or philosophy). The word "puerilism" refers to a state or condition of being childish or immature.

Memory Tip

Think of 'puerilis' meaning childish, and remember that 'puerilism' describes a state of being childish or immature.

Visually Confused Words