From un- + bilious. <span class="searchmatch">unbilious</span> (comparative more <span class="searchmatch">unbilious</span>, superlative most <span class="searchmatch">unbilious</span>) Not bilious....
biliousness bilious vomiting syndrome nervo-bilious nonbilious sanguineobilious <span class="searchmatch">unbilious</span> atrabilious (full of black bile) bile suffering from real or supposed...