in‧cre‧men‧tal /ˌɪŋkrəˈmentl◂, ˌɪŋkrɪˈmentl◂/
adjective formal1. [usually before noun] increasing in amount or value gradually and by a regular amount:
incremental pay scales2. happening gradually over time:
Mr Kennedy said that progress on reforms would be incremental.
a process of incremental change—incrementally adverb:
You need to make changes in your diet incrementally. [TahlilGaran] Dictionary of Contemporary English ▲