having the same vowel sound occurring with different consonants in successive words or stressed syllables
having the same sound (especially the same vowel sound) occurring in successive stressed syllables; "note the assonant words and syllables in `tilting at windmills'"
the quality of wearisome constancy, routine, and lack of variety; "he had never grown accustomed to the monotony of his work"; "he was sick of the humdrum of his fellow prisoners"; "he hated the sameness of the food the college served"