All cogency antonyms

noun cogency

• weakness — the state or quality of being weak; lack of strength, firmness, vigor, or the like; feebleness.
• lethargy — the quality or state of being drowsy and dull, listless and unenergetic, or indifferent and lazy; apathetic or sluggish inactivity.
• incompetence — the quality or condition of being incompetent; lack of ability.
• disability — lack of adequate power, strength, or physical or mental ability; incapacity.
• ineffectiveness — not effective; not producing results; ineffectual: ineffective efforts; ineffective remedies.
• impotence — the condition or quality of being impotent; weakness.
• invalidity — invalidism.