Synonym: ease up, let up, loosen, relax, slacken, straighten. Similar words: sunbelt, sunbeam, unbeaten, unbelief, unbeknownst, unbecoming, unbearably, unbearable. Meaning: [‚ʌn'bend] 
v. 1. straighten up or out; make straight 2. unfasten, as a sail, from a spar or a stay 3. free from flexure 4. make less tight 5. become less tense, rest, or take one's ease 6. release from mental strain, tension, or formality.
v. 1. straighten up or out; make straight 2. unfasten, as a sail, from a spar or a stay 3. free from flexure 4. make less tight 5. become less tense, rest, or take one's ease 6. release from mental strain, tension, or formality. 
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(1) This kind of wire is easy to unbend.
(2) He could be fun if he'd unbend a little.
(3) Most professors unbend outside the lecture theatre. Sentencedict.com
(4) In trying to unbend curvy lines, there is another way of deciding how to proceed on the ladder of powers.
(5) If only he could unbend and relax, even give a genuine smile or make a pleasantry.
(6) She finds it hard to unbend, even at parties.
(7) And the chest strength unbend two arms with the arm department, supports the body.
(8) To unbend the arm other muscles in the back of the arm have to shorten.
(9) I'd hoped that after a glass or two of wine she might unbend a little.
(10) A man, though wise, should never be ashamed of learning more, and must unbend his mind. Sophocles 
(11) I may have cried down the telephone, but Mme Dragon wouldn't unbend.
(12) Take off next your jacket and shoe, unship chatelaine and cravat, if glasses also is picked please, unbend body lies on the mattress on the bed.
(13) Bow the pose that pick up content is double leg unbend stands incorrectly, bow below the circumstance of castiron music or little inflectional coxa , knee joint pick up a thing.
(14) He is lying on his back, both hands puts either side, double foot unbend.
(15) Full of fire as he was in his public life, he could also unbend graciously so as to talk on the most difficult subjects to a stripling like myself without any trace of a patronising tone.
(16) Make coxal muscle taut forcibly, the hand is stuck on ham, several 3 when ham is put down, several 4 when unbend of ability to walk, breath wants even.
(17) Make lie on one's back a check- up when, should observe whether patient waist can be made the same score above all put on the bed, bilateral hip joint and knee joint whether can unbend.
More similar words: sunbelt, sunbeam, unbeaten, unbelief, unbeknownst, unbecoming, unbearably, unbearable, unbeatable, unbelievable, unbelievably, bend, bends, bending, fender-bender, round the bend, fan belt, brown bear, unbar, cotton belt, human being, on behalf of, boysenberry, sunburn, sunbathe, unbound, unbroken, unbidden, unbiased, sunblock.