grenade

"The pitcher launched the baseball toward home plate. "

"My grandmother taught me how to bake cookies when I was a child. "

"I blew the balloon up too much, and it burst."

"Consider that we’ve had three major events and the year has hardly begun."

"The students designed posters for the school fair. "

"Commercial firework displays are commonly launched from boats or other vessels"

"Because she had been a dancer for years, she was a practiced performer. "

"I apologize, but "unattractive" is an adjective, not a noun. Here's a sentence using it correctly as an adjective, keeping your other guidelines in mind: "He felt unattractive after getting a bad haircut." "

"Hey, beautiful!"

"The catapult made a good launcher for the small projectile."

"The demolition crew carefully handled the explosive before the building implosion. "

"My grandmother grows a pomegranate tree in her backyard, and we always harvest the fruit in the fall. "