1. of, relating to, or involving declension (the change in form of nouns, pronouns, and adjectives to show grammatical case, number, or gender)
Usage: linguistics; grammar

Examples

• Latin has a complex declinational system with multiple cases.
• The declinational patterns of German nouns can be challenging for learners.
• In declinational languages, word endings change to indicate grammatical relationships.
• Russian is known for its rich declinational morphology.
• The declinational structure of Ancient Greek differs significantly from Modern English.