Declension table of ?apratisādhya

Neuter	Singular	Dual	Plural
Nominative	apratisādhyam	apratisādhye	apratisādhyāni
Vocative	apratisādhya	apratisādhye	apratisādhyāni
Accusative	apratisādhyam	apratisādhye	apratisādhyāni
Instrumental	apratisādhyena	apratisādhyābhyām	apratisādhyaiḥ
Dative	apratisādhyāya	apratisādhyābhyām	apratisādhyebhyaḥ
Ablative	apratisādhyāt	apratisādhyābhyām	apratisādhyebhyaḥ
Genitive	apratisādhyasya	apratisādhyayoḥ	apratisādhyānām
Locative	apratisādhye	apratisādhyayoḥ	apratisādhyeṣu

Compound apratisādhya -

Adverb -apratisādhyam -apratisādhyāt