1. of, relating to, or involving declension (the variation of the form of a word, especially a noun, pronoun, or adjective, to show grammatical case, number, or gender)
Usage: linguistics; grammar

Examples

• Latin has a complex declensional system with multiple cases.
• The declensional patterns of German nouns can be challenging for learners.
• Understanding declensional morphology is essential for studying ancient Greek.
• Russian employs a rich declensional structure across its six cases.
• The declensional endings in Old English differ significantly from modern English.