adverb

Messages.form.
  1. quickly, swiftly, expeditiously.
  2. long ago, already.

Variations

Pronunciation Kanji Kana Is Common
 
疾く とく

Contained Kanji Breakdown

rapidly
シツ はや.い (8th, N1)
trailing sickness, sick radical (no. 104)
ダク ニャク ソウ
dart, arrow
や シ (2nd, N1)
person(人) variant
large, big
ダイ おお- た (1st, N5)
one, one radical (no.1)
イチ いっ ひと- (1st, N5)
person
ひと ニン ジン (1st, N5)