From over- + regular. <span class="searchmatch">overregular</span> (comparative more <span class="searchmatch">overregular</span>, superlative most <span class="searchmatch">overregular</span>) Excessively regular....
equiregular extraregular hyperregular on a regular basis on the regular <span class="searchmatch">overregular</span> preregular proregular regioregular regular as clockwork regular black...