<span class="searchmatch">backflowed</span> simple past and past participle of backflow...
<span class="searchmatch">backflowing</span> (not comparable) Flowing backwards. <span class="searchmatch">backflowing</span> present participle and gerund of backflow...
singular simple present backflows, present participle <span class="searchmatch">backflowing</span>, simple past and past participle <span class="searchmatch">backflowed</span>) (transitive, intransitive) To flow in the wrong...