欠かさず

without fail, regularly

→ 欠かす
verb Rare #41,116
without fail, regularly
JA: 毎朝、薬を欠かさず飲んでいる。
EN: I take my medicine every morning without fail.
Conjugation of 欠かす
Necessitative
欠かさず

彼は毎週欠かさず母親に便りをする

He writes to his mother every week without fail.

彼は毎日欠かさず新聞を読む

He reads the newspaper every day without fail.

毎週欠かさず見てます

I watch it every week without fail.

— フォーリング・ダウン (1993)

トム一日欠かさずここに来ている

Tom has been coming here every single day.