As a verb stiffen
is to make stiff.
As an adjective stiffer is
comparative of stiff More rigid, more inflexible, more unbending.
stiffen
English
Verb
(
en verb)
To make stiff.
To become stiff.
Related terms
* stiff
stiffer
English
Adjective
(head)
(stiff) More rigid, more inflexible, more unbending.
Anagrams
*