To use alliteration; to speak or write in a way where nearby words start with the same sound.
Back-formation from 'alliteration.' When 'alliteration' became a noun, English speakers created this verb form to express the action of creating alliteration, following normal English word-formation patterns.
Dr. Seuss was a master at this—he didn't just alliterate randomly but used it strategically to make words flow together and create rhythm that made children's books almost sing when read aloud, which is why they're so fun to listen to!
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