| Main Entry: | |
| Part of Speech: | adjective |
| Definition: | worthless |
| Synonyms: | inadequate, inconsequential, insignificant, piddling, trifling, useless |
| Main Entry: | empty |
| Part of Speech: | adjective |
| Definition: | fruitless, ineffective |
| Synonyms: | aimless, banal, barren, cheap, dead, deadpan, devoid, dishonest, dumb, expressionless, fatuous, flat, frivolous, futile, hollow, idle, ignorant, inane, ineffectual, inexpressive, insincere, insipid, jejune, meaningless, nugatory, otiose, paltry, petty, purposeless, senseless, silly, trivial, unintelligent, unreal, unsatisfactory, unsubstantial, vacuous, vain, valueless, vapid, worthless |
| Antonyms: | abundant, copious, effective, fruitful, productive, sufficient |
| Main Entry: | futile |
| Part of Speech: | adjective |
| Definition: | hopeless, pointless |
| Synonyms: | abortive, barren, bootless, delusive, empty, exhausted, forlorn, fruitless, hollow, idle, impracticable, impractical, in vain, ineffective, ineffectual, insufficient, no dice, nugatory, on a treadmill, otiose, out the window, profitless, resultless, save one's breath, sterile, to no avail, to no effect, to no purpose, trifling, trivial, unavailing, unimportant, unneeded, unproductive, unprofitable, unreal, unsatisfactory, unsubstantial, unsuccessful, useless, vain, valueless, worthless |
| Antonyms: | fruitful, hopeful, productive, profitable |
| Main Entry: | hollow |
| Part of Speech: | adjective |
| Definition: | meaningless |
| Synonyms: | empty, fruitless, futile, idle, nugatory, otiose, pointless, specious, unavailing, useless, vain, worthless |
| Antonyms: | earnest, meaningful, sincere, substantial |
| Main Entry: | idle |
| Part of Speech: | adjective |
| Definition: | worthless, ineffective |
| Synonyms: | abortive, bootless, empty, frivolous, fruitless, futile, groundless, hollow, insignificant, irrelevant, not serious, nugatory, of no avail, otiose, pointless, rambling, superficial, trivial, unavailing, unhelpful, unnecessary, unproductive, unsuccessful, useless, vain |
| Notes: | idle means not in action or at work; idyll means a simple descriptive work, either in poetry or prose, dealing with simple, rustic life - or a lighthearted carefree episode or experience; idyllic means excellent and delightful in all respects |
| Antonyms: | effective, important, productive, worthwhile |
| 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: | insignificant |
| Part of Speech: | adjective |
| Definition: | not important; of no consequence |
| Synonyms: | casual, immaterial, inappreciable, inconsequential, inconsiderable, infinitesimal, irrelevant, lesser, light, lightweight, little, meager, meaningless, minim, minimal, minor, minuscule, minute, negligible, nondescript, nonessential, not worth mentioning, nugatory, paltry, petty, pointless, purportless, scanty, secondary, senseless, small, trifling, trivial, unimportant, unsubstantial |
| Antonyms: | consequential, important, significant, substantial, valuable |
| Main Entry: | invalid |
| Part of Speech: | adjective |
| Definition: | worthless; unfounded |
| Synonyms: | bad, baseless, fallacious, false, ill-founded, illogical, inoperative, irrational, mad, not binding, not working, nugatory, null, null and void, reasonless, sophistic, unreasonable, unreasoned, unscientific, unsound, untrue, void, wrong |
| Antonyms: | sound, valid, worthwhile, worthy |
| Main Entry: | meaningless |
| Part of Speech: | adjective |
| Definition: | without use, value, worth |
| Synonyms: | absurd, aimless, blank, doesn't cut it, double-talk, doublespeak, empty, feckless, fustian, futile, good-for-nothing, hollow, hot air, inane, inconsequential, insignificant, insubstantial, nonsensical, nothing, nugatory, pointless, purportless, purposeless, senseless, trifling, trivial, unimportant, unmeaning, unpurposed, useless, vacant, vague, vain, valueless, vapid, worthless |
| Antonyms: | meaningful, significant, useful, valuable, worthwhile |