(פ') להתיר, להרפות, ליישר, להתיישר

v. cause to not be bent; cease being bent; release from tension, loosen, unfasten; straighten; become straight

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Verb
1. straighten up or out; make straight
(synonym) straighten
(hypernym) change posture
2. unfasten, as a sail, from a spar or a stay
(hypernym) unfasten
3. free from flexure; "unbend a bow"
(antonym) flex, bend, deform, twist, turn
(hypernym) straighten, straighten out
4. make less tight; "relax the tension on the rope"
(synonym) relax
(hypernym) loosen, loose
(hyponym) unbrace
5. 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"
(synonym) relax, loosen up, unwind, decompress, slow down
(hypernym) change state, turn
(hyponym) vege out, vegetate
6. release from mental strain, tension, or formality; "unbend the mind from absorbing too much information"
(hypernym) relax, unstrain, unlax, loosen up, unwind, make relaxed

(v. t.)
To unfasten, as sails, from the spars or stays to which they are attached for use.
  

(v. t.)
To free from flexure; to make, or allow to become, straight; to loosen; as, to unbend a bow.
  

(v. t.)
To cast loose or untie, as a rope.
  

(v. t.)
A remit from a strain or from exertion; to set at ease for a time; to relax; as, to unbend the mind from study or care.
  

(v. i.)
To relax in exertion, attention, severity, or the like; hence, to indulge in mirth or amusement.
  

(v. i.)
To cease to be bent; to become straight or relaxed.
  

v. a.
1.
سيدھا کرنا
2.
آرام دينا
3. (Naut.)
ڈھيلا کرنا, کھولنا

Synonyms and related words:
abate, bate, bend, disentangle, ease, ease off, ease up, extend, flatten, give, give way, let down, let up, let up on, loose, loosen, loosen up, mitigate, put straight, rectify, relax, relent, remit, set straight, sit up, slack, slack off, slack up, slacken, slake, slow down, smooth, stand up, straighten, straighten out, straighten up, submit, unbrace, uncurl, unkink, unlax, unsnarl, unstrain, unstring, unwind, yield