From <span class="searchmatch">crowding</span> + -ly. <span class="searchmatch">crowdingly</span> (comparative more <span class="searchmatch">crowdingly</span>, superlative most <span class="searchmatch">crowdingly</span>) So as to crowd....
a foolish Bartholomew-Fair Show-booth, with the foolish crowdings and elbowings of which it was not worth while to quarrel […] anticrowding <span class="searchmatch">crowdingly</span>...
hence, to treat discourteously or unreasonably. becrowd (dated) crowder <span class="searchmatch">crowdingly</span> crowd in on crowd out crowd together crowd up outcrowd overcrowd undercrowd...