fortified

"The new school security measures made the building more defensible. "

"The cake recipe lists flour, sugar, and eggs as the main ingredients. "

"strengthen a muscle"

"It requires great strength to lift heavy objects."

"Enjoy your holidays!   I enjoy dancing."

"The invaders crossed the border and began to occupy the land. "

"The nutritional value of the breakfast cereal is high, providing many essential vitamins. "

"The increase in homework assignments this week was significant. "

"The soldiers marched in the parade, wearing their uniforms. "

"The soldiers were fortifying the town with sandbags and barbed wire to prepare for the enemy's arrival. "

"He spent six years in the military."

"The castle's high walls and strong towers were its main defenses against invaders. "