1. of, relating to, or used in inflection: an inflectional ending.
  2. Linguistics. pertaining to or noting a language, as Latin, characterized by the use of inflection, especially morphemic fusion or irregular morphophonemic alternation.Compare agglutinative(def 2), isolating.

Origin of inflectional

First recorded in 1825–35; inflection + -al1
Related formsin·flec·tion·al·ly, adverbnon·in·flec·tion·al, adjectivenon·in·flec·tion·al·ly, adverbpre·in·flec·tion·al, adjective Unabridged Based on the Random House Unabridged Dictionary, © Random House, Inc. 2018

Examples from the Web for inflectional

Historical Examples of inflectional