IPA: /əˈdɪʃənl/
KK: /əˈdɪʃənl/
Something that is extra or added to what is already there.
We need additional resources to complete the project.
Additional → It is formed from "add" (from Latin "addere", meaning to put to) and "-tion" (a suffix used to form nouns indicating an action or condition). The word "additional" means something that is put to or added on, indicating an increase or supplement.
Think of 'adding' something extra — 'add' means to put to, and '-tion' indicates the action of doing so, which helps you remember that 'additional' refers to something extra or supplementary.