flaw

be erroneous, cause error; mislead, misguide; lead astray, lead into error; beguile, misinform (misteach); delude; give a false impression, give a false idea; falsify, misstate; deceive; lie., err; be in error, be mistaken; be deceived (duped); mistake, receive a false impression, deceive oneself; fall into error, lie under error, labor under an error; be in the wrong, blunder; goof, screw up; misapprehend, misconceive, misunderstand, misreckon, miscount, miscalculate (misjudge) [more]., play at cross purposes, be at cross purposes (misinterpret) [more]., trip, stumble; lose oneself (uncertainty); go astray; fail; be in the wrong box; take the wrong sow by the ear (mismanage); put the saddle on the wrong horse; reckon without one's host; take the shadow for the substance (credulity); dream (imagine).

come short of, fall short of, stop short of, come short , fall short, stop short; not reach; want; keep within bounds, keep within the mark, keep withim the compass., break down, stick in the mud, collapse, flat out [U.S.], come to nothing; fall through, fall to the ground; cave in, end in smoke, miss the mark, fail; lose ground; miss stays.

be vicious; sin, commit sin, do amiss, err, transgfress; misdemean oneself, forget oneself, misconduct oneself; misdo, misbehave; fall, lapse, slip, trip, offend, trespass; deviate from the line of duty, deviate from the path of virtue [more]; take a wrong course, go astray; hug a sin, hug a fault; sow one's wild oats., render vicious; demoralize, brutalize; corrupt (degrade).

be weak; drop, crumble, give way, totter, tremble, shake, halt, limp, fade, languish, decline, flag, fail, have one leg in the grave., render weak; weaken, enfeeble, debilitate, shake, deprive of strength, relax, enervate, eviscerate; unbrace, unnerve; cripple, unman (render powerless); cramp, reduce, sprain, strain, blunt the edge of; dilute, impoverish; decimate; extenuate; reduce in strength, reduce the strength of; mettre de l'eau dans son vin.