-less. <span class="searchmatch">flashless</span> (not comparable) (of a camera) Not fitted with a flash. (of ammunition) Not generating a flash of light when fired. <span class="searchmatch">flashlessly</span> flashlessness...
From <span class="searchmatch">flashless</span> + -ly. <span class="searchmatch">flashlessly</span> (comparative more <span class="searchmatch">flashlessly</span>, superlative most <span class="searchmatch">flashlessly</span>) In a <span class="searchmatch">flashless</span> manner; without flash....
From <span class="searchmatch">flashless</span> + -ness. <span class="searchmatch">flashlessness</span> (uncountable) Absence of a flash....
house flash in the pan flash-lag effect flash-lag illusion flashlamp <span class="searchmatch">flashless</span> flashlet flashlike flashline flash lock flashly flashman flash memory...