/ˈkwɪknəs/ Rhymes: -ɪknəs quickness (countable and uncountable, plural <span class="searchmatch">quicknesses</span>) rapidity of movement or activity; agility or dexterity The quickness...
1631, Francis [Bacon], “VII. Century. [Experiments Solitary touching the <span class="searchmatch">Quicknesse</span> of Motion in Birds.]”, in Sylua Syluarum: Or A Naturall Historie. In Ten...