inaccurate

1 not being in agreement with what is true he claimed that the TV ratings were inaccurate because they didn't take into account all those viewers in health clubs Synonyms erroneous, false, incorrect, inexact, invalid, off, unsound, untrue, untruthful, wrongRelated Words counterfactual; specious, spurious; deceptive, delusive, delusory, distorted, fallacious, fictitious, illusory, misleading; amiss, askew, awry; deceitful, dishonest, fraudulent, lying, mendacious; unconfirmed, unproven, untested; fabricated, invented, made-up, trumped-upNear Antonyms confirmed, demonstrated, established, proven, tested; faultless, flawless, impeccable, letter-perfect, perfectAntonyms accurate, correct, errorless, exact, factual, precise, proper, right, sound, true, valid, veracious

2 not precisely correct the estimate is inaccurate, but will do for our purposes Synonyms approximate, approximative, ballpark, imprecise, inexact, loose, squishyRelated Words erroneous, false, incorrect, off, wrong; general, indefinable, indefinite, indeterminate, indistinct, mushy, undefined, undetermined, unsettled, vague; faulty, flawed, mistaken; specious; distorted, fallacious, misleading; doubtful, dubious, questionable, uncertain; inconclusive, indecisive; debatable, disputable; invalidated, unconfirmed, unsubstantiated, unsupportedNear Antonyms certain, incontestable, indubitable, positive, sure, undeniable, unquestionable; correct, errorless, factual, right, sound, true, valid; clear-cut, decisive, definable, defined, definite; incontrovertible, indisputable, irrefutable; absolute, unqualified; confirmed, corroborated, determined, established, substantiated, supported, validatedAntonyms accurate, dead, dead-on, exact, precise, ultraprecise, veracious