(p. 51) aprāpya unavailable; unattainable; unacquirable, unprocurable; rare, scarce. 50)

(p. 79) alabhya that which cannot be obtained or got or earned or attained or gained or found; unobtainable, unattainable. 10)

(p. 89) asādhya incapable of being done or accomplished or attained or realized; unperformable, impracticable, unattainable, unrealizable, unachievable through meditation, asceticism etc. (অসাধ্য সাধনা); irremediable, incurable (অসাধ্য রোগ). ̃সাধন n. making the impossible possible; realization of the unrealizable, attainment of the unattainable; (loos.) accomplishment of a seemingly impossible task (esp. through extraordinary efforts). শিবের অসাধ্য even gods cannot do, even beyond the power of gods. 11)

(p. 237) ku a sin; a guilt; a fault; an evil; the earth; exposition of the scriptures ('কু কথায় পঞ্চমুখ'). a. (chiefly used as a pfx.) bad, evil, indecent (কুকথা); illomened; wicked (কুমন্ত্রণা); unattainable (কু-আশা); southern (কুমেরু). 7)