twiddlable

== English == === Alternative forms === twiddleable === Etymology === From twiddle +‎ -able. === Adjective === twiddlable (comparative more twiddlable, superlative most twiddlable) Able to be twiddled. 2015, 'rsidd', reply to FontForge and moving forward [M]uch of Hofstadter's article was devoted to attacking Knuth's view that there is a "universality" to fonts such that a sufficient number of twiddlable knobs could cover all the font families around.