| Main Entry: | inefficacious |
| Part of Speech: | adjective |
| Definition: | ineffectual |
Synonyms: |
abortive, anticlimactic, barren, bootless, defeasible, feckless, feeble, forceless, fruitless, futile, idle, impotent, inadequate, incompetent, indecisive, ineffective, inefficient, inept, inferior, innocuous, inoperative, invertebrate, lame, limited, neutralized, nugatory, null, null and void, paltry, powerless, spineless, unable, unavailing, unfruitful, unproductive, unprofitable, unsuccessful, useless, vain, void, withered, worthless |
| Main Entry: | impractical/impracticable |
| Part of Speech: | adjective |
| Definition: | unrealistic |
Synonyms: |
abstract, absurd, chimerical, idealistic, illogical, impossible, impracticable, improbable, inapplicable, inefficacious, infeasible, inoperable, irrealizable, ivory-tower, no-go, nonfunctional, nonviable, not a prayer, otherworldly, out of the question, quixotic, romantic, speculative, starry-eyed, theoretical, unattainable, unbusinesslike, unfeasible, unreal, unserviceable, unusable, unwise, unworkable, useless, visionary, wild, won't fly |
Antonyms: |
practicable, practical, probable, realistic, reasonable, tenable, viable |
| Main Entry: | ineffective/ineffectual |
| Part of Speech: | adjective |
| Definition: | weak, useless |
Synonyms: |
abortive, anticlimactic, barren, bootless, defeasible, feckless, feeble, forceless, fruitless, futile, idle, impotent, inadequate, incompetent, indecisive, inefficacious, inefficient, inept, inferior, innocuous, inoperative, invertebrate, lame, limited, neutralized, nugatory, null, null and void, paltry, powerless, spineless, unable, unavailing, unfruitful, unproductive, unprofitable, unsuccessful, vain, void, withered, worthless |
Antonyms: |
competent, effective, effectual, efficient, powerful, strong, useful |
| Main Entry: | inefficient |
| Part of Speech: | adjective |
| Definition: | not working well; wasteful |
Synonyms: |
can't hack it, careless, disorganized, extravagant, faulty, feeble, half-baked, improficient, improvident, incapable, incompetent, ineffective, ineffectual, inefficacious, inept, inexpert, not cut out for, prodigal, shooting blanks, slack, slipshod, sloppy, slovenly, unfit, unprepared, unqualified, unskilled, unskillful, untrained, weak |
Antonyms: |
able, capable, competent, efficient, expert, useful |
| Main Entry: | null |
| Part of Speech: | adjective |
| Definition: | ineffectual, valueless |
Synonyms: |
absent, bad, barren, characterless, imaginary, ineffective, inefficacious, inoperative, invalid, negative, nonexistent, nothing, null and void, powerless, unavailing, unreal, unsanctioned, useless, vain, void, worthless |
Antonyms: |
effective, effectual, valid, valuable, worthwhile, worthy |
| Main Entry: | unable |
| Part of Speech: | adjective |
| Definition: | not having talent, skill |
Synonyms: |
can't cut it, can't hack it, can't make the grade, clumsy, helpless, hog-tied, impotent, impuissant, inadequate, incapable, incapacitated, incompetent, ineffectual, inefficacious, inefficient, inept, inoperative, no can do, no good, not able, not cut out for, not equal to, not up to, out of commission, powerless, sidelined, unfit, unfitted, unqualified, unskilled, weak |
Antonyms: |
able, adequate, capable, competent, fit, qualified, skillful, talented |
| Main Entry: | vain |
| Part of Speech: | adjective |
| Definition: | futile, useless |
Synonyms: |
abortive, barren, bootless, delusive, delusory, empty, frivolous, fruitless, going nowhere, hollow, idle, in vicious circle, inefficacious, insignificant, misleading, no-win, not a prayer, nugatory, on a treadmill, otiose, paltry, petty, pointless, profitless, puny, senseless, shuck, slight, sterile, time-wasting, trifling, trivial, unavailing, unimportant, unnotable, unproductive, unprofitable, valueless, void, worthless |
Antonyms: |
possible |
| Main Entry: | impractical |
| Part of Speech: | adjective |
| Definition: | unrealistic |
Synonyms: |
abstract, absurd, chimerical, idealistic, illogical, impossible, impracticable, improbable, inapplicable, inefficacious, infeasible, inoperable, ivory-tower, no go, nonfunctional, nonviable, otherworldly, quixotic, romantic, speculative, starry-eyed, theoretical, unattainable, unbusinesslike, unfeasible, unreal, unserviceable, unusable, unwise, unworkable, useless, visionary, wild, won't fly |
| Notes: | impractical means 'not advisable to put into practice' while impracticable means 'not capable of being put into practice'; impractical or unpractical is something that can be done but isn't worth doing while impracticable means it can't be done at all |
Antonyms: |
practical, sensible |
| Main Entry: | ineffective |
| Part of Speech: | adjective |
| Definition: | useless |
Synonyms: |
abortive, anticlimactic, barren, bootless, defeasible, emasculate, feckless, feeble, forceless, fruitless, futile, idle, impotent, inadequate, incompetent, indecisive, ineffectual, inefficacious, inefficient, inept, inferior, innocuous, inoperative, lame, limited, neutralized, no go, no way, not effective, nugatory, null, paltry, powerless, slack-spined, spineless, unable, unavailable, unavailing, unfruitful, unproductive, unprofitable, unsuccessful, vain, void, withered, worthless |
Antonyms: |
effective |
| Main Entry: | unnegotiable |
| Part of Speech: | adjective |
| Definition: | impracticable |
Synonyms: |
abstract, absurd, chimerical, idealistic, illogical, impossible, impractical, improbable, inapplicable, inefficacious, infeasible, inoperable, irrealizable, ivory-tower, no-go, nonfunctional, nonviable, not a prayer, otherworldly, out of the question, quixotic, romantic, speculative, starry-eyed, theoretical, unattainable, unbusinesslike, unfeasible, unreal, unserviceable, unusable, unwise, unworkable, useless, visionary, wild, won't fly |