[This is a MPIWG MPDL language technology service] |
Stiffen (v. t.) To make stiff; to make less pliant or flexible; as, to stiffen cloth with starch.
Stiffen (v. t.) To inspissate; to make more thick or viscous; as, to stiffen paste.
Stiffen (v. t.) To make torpid; to benumb.
Stiffen (v. i.) To become stiff or stiffer, in any sense of the adjective.