loosen

(verb) make loose or looser. Synonyms: loose. Examples: "Loosen the tension on a rope."

(verb) make less severe or strict. Synonyms: relax. Examples: "The government relaxed the curfew after most of the rebels were caught."

(verb) become less severe or strict. Synonyms: relax. Examples: "The rules relaxed after the new director arrived."

(verb) disentangle and raise the fibers of. Synonyms: tease, tease apart. Examples: "Tease wool."

(verb) cause to become loose. Synonyms: untie, undo. Examples: "Undo the shoelace." "Untie the knot." "Loosen the necktie."

(verb) make less dense. Examples: "Loosen the soil."

(verb) become loose or looser or less tight. Synonyms: relax, loose. Examples: "The noose loosened." "The rope relaxed."