オール

オールooru

noun · suru verb · intransitive

  1. oar
  2. all
  3. (pulling an) all-nighter
  4. staying up all night

Study it in Yanamino

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