Answer: hardens

AnswerCrossword Clue
HARDENSSets, as cement
HARDENSSets
HARDENSIndurates.
HARDENSSets.
HARDENSBecomes solid.
HARDENSPetrifies.
HARDENSLoses feeling
HARDENSGels
HARDENSInures
HARDENSCoagulates
hardensto become harder, tougher, stiffer, etc.
hardensHARDEN, to make hard (firm and unyielding)
hardensto reinforce the structure of something to protect it from nuclear attack
hardensto make unfeeling
hardens(of a market, prices, etc.) to firm up or rise
hardensto make hard or harder; to strengthen, reinforce, toughen, or stiffen