Definitions for stiffen

Overview of verb stiffen

The verb stiffen has 3 senses? (first 2 from tagged texts)

1. (11) stiffen

(become stiff or stiffer; "He stiffened when he saw his boss enter the room")

2. (2) stiffen

(make stiff or stiffer; "Stiffen the cream by adding gelatine")

3. stiffen, tighten, tighten up, constrain

(restrict; "Tighten the rules"; "stiffen the regulations")