What does 澄ます mean?
澄ます is a Japanese verb meaning “to clear, to make clear, to listen for” in English. It can also be translated as “to be unruffled, to look demure, to strain (one's ears)” depending on context. It is written as 澄ます in kanji, すます in hiragana, and sumasu in romaji. This word is part of JLPT N1 vocabulary.
Example sentence
あの社長秘書はいつも澄ましている。
That president's secretary is always prim.