stiffen

(stifən)

transitive verb, intransitive verb

to make or become stiff or stiffer

Related Forms:

See stiffen in American Heritage Dictionary 4

tr. & intr.v. stiff·ened, stiff·en·ing, stiff·ens
To make or become stiff or stiffer.

Related Forms:

  • stiffˈen·er noun

Learn more about stiffen

link/cite print suggestion box