From an- + idiomatical. <span class="searchmatch">anidiomatical</span> (comparative more <span class="searchmatch">anidiomatical</span>, superlative most <span class="searchmatch">anidiomatical</span>) (archaic) Not idiomatic. 1828, Walter Savage Landor...
superlative most idiomatical) Idiomatic. nonidiomatic unidiomatic <span class="searchmatch">anidiomatical</span> idiomatical — see idiomatic William Dwight Whitney, Benjamin E[li] Smith...
anhypostatic anhysteretic anhyzer aniconism aniconist aniconic anicteric <span class="searchmatch">anidiomatical</span> aniridic aniridia aniso- anisomelia anisometropia anisomyarian anisosyllabic...