From risk + -ful. <span class="searchmatch">riskful</span> (comparative more <span class="searchmatch">riskful</span>, superlative most <span class="searchmatch">riskful</span>) (archaic) Full of risks; risky. 1788, Alexander Geddes, Proposals for...
From <span class="searchmatch">riskful</span> + -ness. <span class="searchmatch">riskfulness</span> (uncountable) (archaic) riskiness...
Compound of risk (“risk”) + område (“area”). riskområde n an area that is <span class="searchmatch">riskful</span> to visit 2021, “TBE - fästingburen hjärninflammation”, in Vårdguiden[1]:...