stiffen

"Muscle consists largely of actin and myosin filaments."

"The after-school program is a great way for kids to continue learning. "

"The compost pile attracted many small, white made. "

"The "o" in "boat" is a long vowel sound. "

"What make of car do you drive?"

"A cold wind whistled through the trees."

"The new guy at the office was a typical working stiff, just trying to get through the day. "

"The weather forecast for today predicts rain and strong winds, so I should bring an umbrella to school. "

"The new school fabric is modern and spacious. "

"The students will become at the school library at 9:00 AM. "

"The cold water stiffened my fingers, making it hard to button my coat. "

"My son wore a blue jacket to school today because it was a bit chilly. "