unstiffen
Etymology
From un- + stiffen.
unstiffen means to remove the stiffness from; to relax; to make pliant. Lexicurio rates it Rare gem — a strength score of 81 out of 100.
verb
- To remove the stiffness from; to relax; to make pliant.“We stopped here about ten o'clock this morning, and I was so tired and stiff after the long night wedged in tight in the railway carriage that I got out to get some air and unstiffen myself, instinctively clutching my fiddle-case; and a Bavarian officer on the platform, watching the train with some soldiers, saw me and came over to me at once and demanded to see my papers.”