-shən ə l, -shnəl adjective
1. : of, relating to, or characterized by inflection
-ed in played is an inflectional suffix
— distinguished from derivational
2. of a language : characterized by the expression of grammatical relations by means of formal modification through internal change (as in sing, sang, sung ) or fusional affixation of modifying elements (as in walk, walked, walking, walks ) — distinguished from agglutinative and isolating
• in·flec·tion·al·ly - ə l]ē, -əl]ē, li adverb