Middle English <span class="searchmatch">masterfast</span>, mastyrfast, equivalent to master + fast. <span class="searchmatch">masterfast</span> (comparative more <span class="searchmatch">masterfast</span>, superlative most <span class="searchmatch">masterfast</span>) (archaic) Bound...
master copy master craftsman, master-craftsman master cylinder masterdom <span class="searchmatch">masterfast</span> master file masterful master gland masterhood master key masterless masterly...
hyperfast in the fast lane lightning fast lockfast makefast make fast <span class="searchmatch">masterfast</span> move fast and break things nailfast nonfast not so fast overfast play...