unnerve

v. daunt, dismay, intimidate, dishearten, unman

Verb
1. disturb the composure of
(synonym) faze, enervate, unsettle
(hypernym) upset, discompose, untune, disconcert, discomfit
(hyponym) unman

(v. t.)
To deprive of nerve, force, or strength; to weaken; to enfeeble; as, to unnerve the arm.
  

v. a.
ناتواں کرنا, ناطاقت کرنا, کمزور کرنا

Synonyms and related words:
abate, affright, agitate, alarm, attenuate, blunt, castrate, cramp, cripple, crush, curdle the blood, damp, dampen, dash, deaden, debilitate, demasculinize, demoralize, desex, desexualize, devitalize, discomfit, disconcert, dismay, disquiet, dull, effeminize, emasculate, enervate, enfeeble, etiolate, eviscerate, exhaust, extenuate, faze, fluster, fright, frighten, funk, gruel, horripilate, intimidate, knock down, lay low, make one tremble, mitigate, overcome, perturb, prostrate, psych out, raise apprehensions, rattle, reduce, ruffle, sap, scare, shake, shake up, soften up, spook, stagger, startle, sterilize, stun, stupefy, unbrace, undermine, undo, unman, unsettle, unstrengthen, unstring, upset, weaken