What does 必須 mean?
必須 is a Japanese adjective meaning “indispensable; essential; requisite; required” in English. It is written as 必須 in kanji, ひっす in hiragana, and hissu in romaji. This word is part of JLPT N2 vocabulary.
Example sentence
堪能な英語力は必須です。
Fluency in English is a must.