make or become less active and worried
make or become less stiff or tight; make (effort or control) less severe
"He relaxed in the hot tub"
"Let's all relax after a hard day's work"
"relax the tension on the rope"
"The noose loosened"
"the rope relaxed"
"A hot bath always relaxes me"
"our new colleague relaxed when he saw that we were a friendly group"
"The government relaxed the curfew after most of the rebels were caught"
"The rules relaxed after the new director arrived"
"He slackened his pace as he got tired"
"Don't relax your efforts now"
The heat relaxed my muscles.
出自： J. Tyndall