From un- + floatable. <span class="searchmatch">unfloatable</span> (comparative more <span class="searchmatch">unfloatable</span>, superlative most <span class="searchmatch">unfloatable</span>) Not floatable....
may be floated upon. The river is floatable on a raft. nonfloatable <span class="searchmatch">unfloatable</span> floatable (plural floatables) (usually in the plural) Anything that floats...