Meaning of inflectional in English:

inflectional

Pronunciation /ɪnˈflɛkʃ(ə)n(ə)l/

adjective

(mainly British inflexional)
Grammar
  • Relating to or involving a change in the form of a word to express a grammatical function or attribute.

    ‘inflectional endings’
    • ‘the Latin inflectional system’