From un- + sinking. <span class="searchmatch">unsinking</span> (comparative more <span class="searchmatch">unsinking</span>, superlative most <span class="searchmatch">unsinking</span>) That does not sink. 1816, John Wilson, The City of the Plague:...
Declension of нето́нущий (unknown short forms) нето́нущий • (netónuščij) <span class="searchmatch">unsinking</span>, unsinkable Synonym: непотопляемый (nepotopljajemyj) нето́нущий Тита́ник...