Be careful of the slippery ice underfoot.

She bought a new undergarment.

Education undergirds a strong society.

She has undergone multiple surgeries.

The hikers had to navigate through thick undergrowth to reach the summit.

He threw the ball underhand.

He used underhanded tactics to win the game.

The underhung crane is commonly used in construction sites.

I need to buy an underlay for the carpet to maintain its quality and insulation.

The school is underfunded and struggling to provide necessary resources for its students.