adjective Grammar. able to be declined.

What is Declinable?

Capable of being declined; specifically, in grammar, capable of changing its termination in the oblique cases: as, a declinable noun.

What is a declinable adjective?

(diˈklaɪnəbəl ; dɪˈklaɪnəbəl ) adjective. Grammar. that can be declined; having case inflections.