Merriam-Webster's Dictionary and Thesaurus - Merriam-Webster [719]
— in·el·i·gi·bil·i·ty noun
in·eluc·ta·ble adjective : not to be avoided, changed, or resisted
— in·eluc·ta·bly adverb
in·ept adjective 1 : lacking in fitness or aptitude : UNFIT
2 : FOOLISH
3 : inappropriate to the time or circumstances
4 : generally incompetent : BUNGLING
— in·ept·ly adverb
— in·ept·ness noun
Synonyms
[1, 4] incapable, incompetent, inexpert, unfit, unqualified, unskilled, unskillful—more at INCOMPETENT
[3] graceless, improper, inapt, incongruous, incorrect, indecorous, infelicitous, unbecoming, unfit, unhappy, unseemly, unsuitable, wrong
in·ep·ti·tude noun : the quality or state of being inept; especially : INCOMPETENCE
Synonyms
impotence, inability, inadequacy, incapability, incompetence—more at INABILITY
in·equal·i·ty noun 1 : the quality of being unequal or uneven; especially : UNEVENNESS, DISPARITY
2 : an instance of being unequal
in·ert adjective [ORIGIN: L inert-, iners unskilled, idle, fr. art-, ars skill]
1 : powerless to move
2 : averse to activity or exertion : SLUGGISH
3 : lacking in active properties — in·ert·ly adverb Synonyms [1] dead, dormant, fallow, free, idle, inactive, inoperative, latent, off, vacant—more at INACTIVE [2] dull, inactive, lethargic, quiescent, sleepy, sluggish, torpid—more at INACTIVE in·ert·ness noun : the quality or state of being inert : lack of activity Synonyms dormancy, idleness, inaction, inactivity, quiescence—more at INACTION in·er·tia noun 1 : a property of matter whereby it remains at rest or continues in uniform motion unless acted upon by some outside force 2 : indisposition to motion, exertion, or change — in·er·tial adjective Synonyms idleness, indolence, laziness, sloth—more at LAZINESS in·es·cap·able adjective : incapable of being escaped : INEVITABLE in·es·cap·ably adverb : in an inevitable way in·es·ti·ma·ble adjective 1 : incapable of being estimated or computed <~ errors> 2 : too valuable or excellent to be fully appreciated — in·es·ti·ma·bly adverb in·ev·i·ta·ble adjective : incapable of being avoided or evaded : bound to happen — in·ev·i·ta·bil·i·ty noun Synonyms certain, necessary, sure, unavoidable; also decided, definite, settled; likely, possible, probable; destined, fated, foreordained, predestined, preordained; inexorable, relentless, unremitting Antonyms avoidable, uncertain, unsure in·ev·i·ta·bly adverb 1 : in an inevitable way 2 : as is to be expected Synonyms necessarily, needs, perforce, unavoidably—more at NEEDS in·ex·act adjective 1 : not precisely correct or true : INACCURATE 2 : not rigorous and careful — in·ex·act·ly adverb — in·ex·act·ness noun Synonyms erroneous, false, inaccurate, incorrect, invalid, off, unsound, untrue, wrong—more at FALSE imprecise, inaccurate, loose; also approximate; erroneous, false, incorrect, off, wrong; general, indefinable, indefinite, indeterminate, indistinct, undefined, undetermined, unsettled, vague; faulty, mistaken; specious; distorted, fallacious, misleading; doubtful, dubious, questionable, uncertain; inconclusive, indecisive; debatable, disputable; unconfirmed, unsubstantiated, unsupported Antonyms accurate, dead, exact, precise in·ex·cus·able adjective : being without excuse or justification — in·ex·cus·ably adverb Synonyms indefensible, unforgivable, unjustifiable, unpardonable, unwarrantable; also insufferable, insupportable, intolerable, unbearable, unendurable; abominable, atrocious, heinous, monstrous, outrageous, scandalous, shocking; egregious, flagrant, glaring, gross, rank; unacceptable, untenable; black, evil, iniquitous, vicious, wicked; base, contemptible, deplorable, despicable, dirty, execrable, ignoble, vile, reprobate, wretched; cruel, nasty; blamable, blameworthy, censurable, reprehensible; banned, barred, condemned, disallowed, forbidden, interdicted, outlawed, prohibited, proscribed Antonyms defensible, excusable, forgivable, justifiable, pardonable in·ex·haust·ible adjective 1 : incapable of being used up