Etymology: (1350–1400; ME < L relaxāre loosen, relax =re-re - +laxāre to widen, undo, free, der. of laxus slack, lax)
Definition of 'relax'
Princeton's WordNet
1. (verb)relax, loosen up, unbend, unwind, decompress, slow down become less tense, rest, or take one's ease "He relaxed in the hot tub"; "Let's all relax after a hard day's work"
2. (verb)relax, unbend make less taut "relax the tension on the rope"
3. (verb)loosen, relax, loose become loose or looser or less tight "The noose loosened"; "the rope relaxed"
4. (verb)relax, unstrain, unlax, loosen up, unwind, make relaxed cause to feel relaxed "A hot bath always relaxes me"
5. (verb)relax, loosen up become less tense, less formal, or less restrained, and assume a friendlier manner "our new colleague relaxed when he saw that we were a friendly group"
6. (verb)relax, loosen make less severe or strict "The government relaxed the curfew after most of the rebels were caught"
7. (verb)relax, loosen become less severe or strict "The rules relaxed after the new director arrived"
8. (verb)slack, slacken, slack up, relax make less active or fast "He slackened his pace as he got tired"; "Don't relax your efforts now"
2. (noun)relax to make lax or loose; to make less close, firm, rigid, tense, or the like; to slacken; to loosen; to open; as, to relax a rope or cord; to relax the muscles or sinews
3. (noun)relax to make less severe or rigorous; to abate the stringency of; to remit in respect to strenuousness, earnestness, or effort; as, to relax discipline; to relax one's attention or endeavors
4. (noun)relax hence, to relieve from attention or effort; to ease; to recreate; to divert; as, amusement relaxes the mind
5. (noun)relax to relieve from constipation; to loosen; to open; as, an aperient relaxes the bowels
Sense: to make or become less tight or tense or less worried etc; to rest completely The doctor gave him a drug to make him relax; Relax your shoulders; He relaxed his grip for a second and the rope was dragged out of his hand.