N. error, fallacy, misconception, misapprehension, misstanding, misunderstanding, inexactness, laxity, misconstruction, miscomputation, non sequitur, mis-statement, mis-report, mumpsimus, mistake, miss, fault, blunder, quiproquo, cross purposes, oversight, misprint, erratum, corrigendum, slip, blot, flaw, loose thread, trip, stumble, botchery, slip of the tongue, slip of the lip, freudian slip, slip of the pen, lapsus linguae, clerical error, bull, haplography, illusion, delusion, snare, false impression, false idea, bubble, self- decit, self-deception, mists of error, heresy, hallucination, false light, dream, fable, bias, misleading

V. be erroneous, cause error, mislead, misguide, lead astray, lead into error, beguile, misinform, delude, give a false impression, give a false idea, falsify, misstate, deceive, lie, err, be -in error, be mistaken, be deceived, mistake, receive a false impression, deceive oneself, fall into error, lie under error, labor under an error, be in the wrong, blunder, misapprehend, misconceive, misunderstand, misreckon, miscount, miscalculate, play at cross purposes, be at cross purposes, trip, stumble, lose oneself, go astray, fail, be in the wrong box, take the wrong sow by the ear, put the saddle on the wrong horse, reckon without one's host, take the shadow for the substance, dream

Adj. erroneous, untrue, false, devoid of truth, fallacious, apocryphal, unreal, ungrounded, groundless, unsubstantial, heretical, unsound, illogical, inexact, unexact inaccurate, incorrect, indefinite, illusive, illusory, delusive, mock, ideal, spurious, deceitful, perverted, controvertible, unsustainable, unauthenticated, untrustworthy, exploded, refuted, discarded, in error, under an error, mistaken, tripping, out, out in one's reckoning, aberrant, beside the mark, wide of the mark, wide of the truth, way off, far off, astray, on a false scent, on the wrong scent, in the wrong box, outside the ballpark, at cross purposes, all in the wrong, all out

Adv. more or less

Phr. errare est humanum, mentis gratissimus error, "on the dubious waves of error tost", "to err is human, to forgive divine", "you lie—under a mistake"

N. dupe, gull, gudgeon, gobemouche, cull*, cully, victim, pigeon, april fool, jay*, sucker*, laughingstock, cyclops, simple simon, flat, greenhorn, fool, puppet, cat's paw

V. be deceived, be the dupe of, fall into a trap, swallow the bait, nibble at the bait, bite, catch a tartar

Adj. credulous, mistaken