(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. 47) aparibartana absence or lack of change or alteration or modification; constancy; fixity; firmness. অপরিবর্তনীয় a. unchangeable, unalterable, immutable, invariable; unchanging; constant; fixed; firm. অপরিবর্তনীয়তা n. unchangeability, immutability; unchanging state; constancy; fixity; firmness. 9)

(p. 72) amūlya priceless, invaluable; too costly to be purchased. 8)

(p. 99) ākrama a forcible passage; inroad; prowess; invasion; defeat; rise, appearance. 34)

(p. 99) ākramaṇa an attack; an invasion; an inroad. আক্রমণ করা v. to attack, to invade; to fall upon. ̃কারী n. one who attacks, an attacker, an assailant; an aggressor, an invader. আক্রমণীয় a. that which can be or is to be attacked or invaded. 35)

(p. 99) ākrānta attacked; invaded; oppressed; stricken (শোকে আক্রান্ত); affected. 37)

(p. 102) āgrāsana aggresssion, aggressive or imperialistic policy; aggrandizement; invasion. আগ্রাসী a. aggressive; aggrandizing. 11)

(p. 497) digbijaẏa conquest of (all the quarters of) the world (by armed invasion or by any good quality such as learning, literary talent etc.), world-conquest. দিগ্বিজয় করা v. to conquer the whole world. দিগ্বিজয়ী a. world conquering. n. a world-conquerer. 28)

(p. 506) durākrama, durākramya difficult to attack, not easily invaded. 18)