1. stiffen

verb. ['ˈstɪfən'] become stiff or stiffer.

Rhymes with Stiffen

• sniffen
• griffon
• griffen
• kniffen
• giffen

Sentences with stiffen

1. Verb, base form
His neck may stiffen and turn his head to one side with his teeth clenched.

2. stiffen

verb. ['ˈstɪfən'] make stiff or stiffer.

3. stiffen

verb. ['ˈstɪfən'] restrict.