Of, showing, or characterized by alliteration. (adjective)
American Heritage(R) Dictionary of the English Language, Fifth Edition. Copyright (c) 2011 by Houghton Mifflin Harcourt Publishing Company. Published by Houghton Mifflin Harcourt Publishing Company. All rights reserved.
Use "alliterative" in a sentence
"I'm just back from a blog break (after taking courses in alliterative prose ... just kidding)."
"Mumblix Grumph, as much as I’d like to see Bush and Cheyney in chains, (appealingly alliterative is it not) I do not think that Hillary is the answer to the countries problems."
"The website TheyWorkForYou reveals that he "has used three-word alliterative phrases eg 'she sells seashells' 381 times in debates – well above average amongst Lords," it says."