어려요 · 어렸어요 · 어린 (+noun)
young (child), little
Example
제 동생은 아직 어려요.
My younger sibling is still young.
Word parts
For kids: 어린이 = child, and 어린이날 = Children's Day (May 5).
Good to know
Don't confuse 어려요 (is young) with 어려워요 (is difficult, from 어렵다).
Related words