unnedeful; equivalent to un- + needful. <span class="searchmatch">unneedful</span> (comparative more <span class="searchmatch">unneedful</span>, superlative most <span class="searchmatch">unneedful</span>) Not needful. 1907, William Hope Hodgson,...
From <span class="searchmatch">unneedful</span> + -ness. <span class="searchmatch">unneedfulness</span> (uncountable) Lack of necessity....
From <span class="searchmatch">unneedful</span> + -ly. <span class="searchmatch">unneedfully</span> (comparative more <span class="searchmatch">unneedfully</span>, superlative most <span class="searchmatch">unneedfully</span>) needlessly; unnecessarily...