What’s the longest English word with alternating consonants and vowels?

The longest known word alternating consonants and vowels is “uncomplimentary” (15 letters).

📜 History: Alternating sounds make words easier to pronounce, which is why many languages naturally develop words in a consonant-vowel pattern.

🤔 Trivia: A made-up example of an alternating word would be “abstemiously,” which is also a word with all vowels in order (A-E-I-O-U)!