Loosen up is the opposite of stiffen up.
The opposite of peacefull is quarrelsome
lack of potassium
the molecues stiffen up
I/you/we/they stiffen. He/she/it stiffens.
They pass away and stiffen up
I can give you several sentences.That leather will stiffen if you let it get wet.I felt him stiffen in shock as he saw the boss walk in unexpectedly.You can stiffen lace by adding starch.
it will stiffen up - if you have soft mesh it will turn it to a colored hard mesh
Yes it normal for infants to stiffen when crying or screaming. It is caused by the action of crying (try screaming really loud and you will find that you tense your body), they also stiffen if they do not want to be picked up. As long as the stiffness does not last beyond the crying there is nothing to worry about.
crank the torsion bars all the way up. This will stiffen the ride and may affect alignment.
Most healthy dogs do not do this. This dog must be ill. Advise a visit to the vet.
To stiffen it up w/o having to make it too heavy.
stiff