From train + -less. <span class="searchmatch">trainless</span> (not comparable) Without a train (in various senses). 1867, The Popular science review, Volume 6, page 82: At the radiant...
From <span class="searchmatch">trainless</span> + -ness. <span class="searchmatch">trainlessness</span> (uncountable) (rare) Absence of trains (rail vehicles)....
snarliest superlative form of snarly: most snarly sternalis, <span class="searchmatch">trainless</span>...
Wikipedia has an article on: sternalis Wikipedia sternalis A muscle that runs along the anterior aspect of the body of the sternum. snarliest, <span class="searchmatch">trainless</span>...