fasten
to make secure or fixed
Please fasten your seatbelt before takeoff.
fastener
a device that secures or joins
The carpenter reached for a screw and other fasteners.
fastness
a stronghold; firmness or security
They sought refuge in the ancient fastness.
steadfast
firmly loyal or unwavering
She remained steadfast in her beliefs.
breakfast
the morning meal that breaks a fast
We had eggs and toast for breakfast.
fasting
the act of abstaining from food
She is fasting for religious reasons this week.
fast-paced
moving or changing quickly
The movie is fast-paced and exciting.
fast-food
food prepared and served quickly
Fast-food restaurants are common near the highway.
fastball
a baseball pitch thrown at high speed
He struck out the batter with a fastball.
holdfast
a device or structure that secures something firmly
The ship was secured to the dock with a heavy holdfast.