Judge incorrectly.

synonym: misestimate.

Roget 508: not expect etc. 507; be taken by surprise; start; miscalculate etc. 481; not bargain for; come upon, fall upon.    be unexpected etc. adj.; come unawares etc. adv.; turn up, pop, drop from the clouds; come upon one, burst upon one, flash upon one, bounce upon one, steal upon one, creep upon one; come like a thunder clap, burst like a thunderclap, thunder bolt; take by surprise, catch by surprise, catch unawares, catch napping; yach [S. Afr.].    pounce upon, spring a mine upon.    surprise, startle, take aback, electrify, stun, stagger, take away one's breath, throw off one's guard; astonish, dumbfound etc. (strike with wonder) 870.    ... show more

Roget 481: misjudge, misestimate, misthink^†, misconjecture^†, misconceive etc. (error) 495; fly in the face of facts; miscalculate, misreckon, miscompute.    overestimate etc. 482; underestimate etc. 483.    prejudge, forejudge; presuppose, presume, prejudicate^†; dogmatize; have a bias etc. n.; have only one idea; jurare in verba magistri [Lat.], run away with the notion; jump to a conclusion, rush to a conclusion, leap to a conclusion, judge hastily, shoot from the hip, jump to conclusions; look only at one side of the shield; view with jaundiced eye, view through distorting spectacles; not see beyond one's nose; dare pondus fumo [Lat.]; get the wrong sow by the ear etc. (blunder) 699.    give a bias, give a twist; bias, warp, twist; prejudice, prepossess.    ... show more

Roget 495: be erroneous etc. adj.. cause error; mislead, misguide; lead astray, lead into error; beguile, misinform etc. (misteach) 538^†; delude; give a false impression, give a false idea; falsify, misstate; deceive etc. 545; lie etc. 544.    err; be in error etc. adj., be mistaken etc. v.; be deceived etc. (duped) 547; mistake, receive a false impression, deceive oneself; fall into error, lie under error, labor under an error etc. n.; be in the wrong, blunder; misapprehend, misconceive, misunderstand, misreckon, miscount, miscalculate etc. (misjudge) 481.    play at cross purposes, be at cross purposes etc. (misinterpret) 523.    trip, stumble; lose oneself etc. (uncertainty) 475; go astray; fail etc. 732; be in the wrong box; take the wrong sow by the ear etc. (mismanage) 699; put the saddle on the wrong horse; reckon without one's host; take the shadow for the substance etc. (credulity) 486; dream etc. (imagine) 515.    ... show more

Calculate incorrectly:
— I miscalculated the number of guests at the wedding.

synonym: misestimate.

Dutch: mistellen, verrekenen, vertellen