口を極めて

くちをきわめてkuchiokiwamete

expression · adverb

  1. using the strongest words possible
  2. scathingly (criticize, deride, etc.)
  3. (praise) to the skies
  4. in the highest possible terms

Kanji in this word

Study it in Yanamino

Data from JMdict, KANJIDIC2 (EDRDG), KanjiVG, CC-CEDICT and Make Me a Hanzi. Sources and licences