| Singular | Dual | Plural | |
| Nominative |
गव्ययः
gavyayaḥ |
गव्ययौ
gavyayau |
गव्ययाः
gavyayāḥ |
| Vocative |
गव्यय
gavyaya |
गव्ययौ
gavyayau |
गव्ययाः
gavyayāḥ |
| Accusative |
गव्ययम्
gavyayam |
गव्ययौ
gavyayau |
गव्ययान्
gavyayān |
| Instrumental |
गव्ययेन
gavyayena |
गव्ययाभ्याम्
gavyayābhyām |
गव्ययैः
gavyayaiḥ |
| Dative |
गव्ययाय
gavyayāya |
गव्ययाभ्याम्
gavyayābhyām |
गव्ययेभ्यः
gavyayebhyaḥ |
| Ablative |
गव्ययात्
gavyayāt |
गव्ययाभ्याम्
gavyayābhyām |
गव्ययेभ्यः
gavyayebhyaḥ |
| Genitive |
गव्ययस्य
gavyayasya |
गव्यययोः
gavyayayoḥ |
गव्ययानाम्
gavyayānām |
| Locative |
गव्यये
gavyaye |
गव्यययोः
gavyayayoḥ |
गव्ययेषु
gavyayeṣu |