<span class="searchmatch">toughened</span> simple past and past participle of <span class="searchmatch">toughen</span> 1955 June, “Two-Car Electric Units for Tyneside and Southern Region”, in Railway Magazine, page 388:...
From <span class="searchmatch">toughen</span> + -able. <span class="searchmatch">toughenable</span> (not comparable) Capable of being <span class="searchmatch">toughened</span>. a <span class="searchmatch">toughenable</span> coating...
<span class="searchmatch">toughened</span> up simple past and past participle of <span class="searchmatch">toughen</span> up...
Rhymes: -ʌfən <span class="searchmatch">toughen</span> (third-person singular simple present <span class="searchmatch">toughens</span>, present participle <span class="searchmatch">toughening</span>, simple past and past participle <span class="searchmatch">toughened</span>) (transitive)...
<span class="searchmatch">toughen</span> up (third-person singular simple present <span class="searchmatch">toughens</span> up, present participle <span class="searchmatch">toughening</span> up, simple past and past participle <span class="searchmatch">toughened</span> up) (idiomatic...
<span class="searchmatch">toughening</span> present participle and gerund of <span class="searchmatch">toughen</span> <span class="searchmatch">toughening</span> (plural <span class="searchmatch">toughenings</span>) The process of making something tougher....
From <span class="searchmatch">toughen</span> + -er. <span class="searchmatch">toughener</span> (plural <span class="searchmatch">tougheners</span>) Something used to <span class="searchmatch">toughen</span>. retoughen...
<span class="searchmatch">toughenings</span> plural of <span class="searchmatch">toughening</span>...
<span class="searchmatch">tougheners</span> plural of <span class="searchmatch">toughener</span> retoughens...
From un- + <span class="searchmatch">toughened</span>. untoughened (not comparable) Not <span class="searchmatch">toughened</span>....