From <span class="searchmatch">unbenignant</span> + -ly. <span class="searchmatch">unbenignantly</span> (comparative more <span class="searchmatch">unbenignantly</span>, superlative most <span class="searchmatch">unbenignantly</span>) In an <span class="searchmatch">unbenignant</span> manner....
From un- + benignant. <span class="searchmatch">unbenignant</span> (comparative more <span class="searchmatch">unbenignant</span>, superlative most <span class="searchmatch">unbenignant</span>) Not benignant....
N.Y.: Simon and Schuster, →OCLC, page 32: General Peckem roused himself after a moment with an unctuous and benignant smile. benignantly <span class="searchmatch">unbenignant</span>...