(p. 9) acala motionless, immobile; stationary, static (অচল তড়িত্); unwavering; firm, steady; gone out of practice, not current, obsolete (অচল প্রথা); counterfeit or forged (অচল টাকা বা নোট); that which cannot be kept going, unmaintainable (অচল সংসার); invalid; untenable (অচল যুক্তি); unserviceable (অচল ঘড়ি); impracticable (অচল প্রস্তাব); (of persons) cast off (সমাজে অচল). n. a mountain, a hill. অচল অবস্হা, অচলাবস্হা lack of progress; a deadlock, an impasse, a stalemate, standstill. ̃ন n. state of being out of practice or currency, obsoleteness. ̃নীয় a. incapable of being introduced or circulated. 44)

(p. 73) ayukta not joined or connected or attached; disjointed, disconnected, unattached, detached, separated. অযুক্তি n. disunion, disconnection, separation; unreasonableness, unjustness; illogicality; a wrong or fallacious argument; a fallacy; bad or mischievous advice; sophistry; impropriety. অযুক্তিযুক্ত a. untenable by reason, unreasonable, illogical. 17)

(p. 73) ayauktika untenable by reason or contrary to reason; unreasonable; illogical. ̃তা n. unreasonableness; illogicality. 25)

(p. 90) asiddha unboiled, uncooked; half-baked; incomplete; unaccomplished; unsuccessful, futile, unfulfilled; (of arguments etc.) untenable. অসিদ্ধি n. lack of success or fulfilment; failure. 6)