Slacken - Definition
slacken
v 1: become slow or slower; "Production slowed" [syn: slow,
slow down, slow up, slack, slacken]
2: make less active or fast; "He slackened his pace as he got
tired"; "Don't relax your efforts now" [syn: slack,
slacken, slack up, relax]
3: become looser or slack; "the rope slackened"
4: make slack as by lessening tension or firmness [syn:
slacken, remit]