Brittany is younger than Katy and Tiffany.
The father abandoned his only son when he left the child's mother for a younger woman.
I took care of my younger sister while my mother went shopping.
My Dad called my younger sister, "Twinkle Toes" as she was mad on ballet!
Some older brothers are known to torment their younger siblings. Her torment was too great to handle.
Pile the manure in heaps over there. When I was MUCH younger, I used heaps of sugar in my tea.
When we were younger we were pretty foolish.
My mom was very pleased by the way my dad and his fellow workers were showing their chivalry to her and my younger siblings.
In the boxing match, the veteran fighter's experience trumped his younger opponent's athleticism. The word trumped is used as a verb.
Example sentence - The man had a high pitched singing voice when he was younger.
The word "very" modifies the adverb "well" in the sentence. It intensifies the degree to which the younger brother knows her.
My siblings and I used to play outside together when we were younger.
The current phase of the moon is "new moon".