IPA: /əˈlɪtəˌrɪtɪvli/
KK: /əˈlɪtəˌrətɪvli/
In a way that uses the same beginning sounds in a series of words, often for poetic or rhetorical effect.
The poet wrote alliteratively, creating a musical quality in his verses.
Alliteratively → It is formed from "alliterative" (from Latin "alliterare", meaning to have the same letter) and the suffix "-ly" (meaning in a manner of). The word "alliteratively" means in a manner that employs alliteration, or the repetition of the same initial consonant sounds in a sequence of words.
Think of the word 'alliterative' which means using the same starting sounds, and remember that 'alliteratively' describes doing something in that same sound-repeating way.