Vocabulary

Form

to harden; to freeze; to strengthen; to solidify; to make (a fist); to tramp down (snow, dirt)

verb vt
N1 freq #9

Example sentences

He hardened clay by putting it into a fire.

Captain Akagi sprained his ankle during practice, so, before the game, he taped it up until it was stiff as a board.

The private detectives accompanied the President everywhere.

It is important to strengthen the basis.