|
1.
become stiff or stiffer
He stiffened when he saw his boss enter the room
2.
make stiff or stiffer
Stiffen the cream by adding gelatine
3.
restrict
stiffen the regulations
|
derived forms
|
1. Stiffen / Past
stiffened
2. Stiffen / Third Person
stiffens
3. Stiffen / Present Participle
stiffening
|
|
|
|