Lacking symmetry, even shape or formal arrangement; not conforming; variable in rhythm (adjective)
Looking for the answer to the USA Today Rootonym clue “Lacking symmetry, even shape or formal arrangement; not conforming; variable in rhythm (adjective)”? The solution is IRREGULAR, a 9-letter word built on the root REG (“rule, govern, straight, right”). It appeared in the October 13, 2026 (Tuesday) USA Today Rootonym. See the full puzzle for that day's other words.
In a sentence
The respected orthodontist knows she can easily straighten Sam's IRREGULAR teeth.
About this clue
The Rootonym clue “Lacking symmetry, even shape or formal arrangement; not conforming; variable in rhythm (adjective)” has the answer IRREGULAR (9 letters), built on the root REG, which means “rule, govern, straight, right”. Browse the full October 13, 2026 Rootonym puzzle for the other three words, or see all Rootonym answers.