Translation

隔週の / 二週間に一度の / 週二回の

Meaning

Biweekly can mean every two weeks or twice a week. In pay and publishing, it often means every two weeks, but the word is still ambiguous. For exact schedules, write every two weeks or twice a week.

Examples

• 彼女は隔週で給料を受け取ります。
  She is paid biweekly.
• そのチームは隔週の進捗報告を提出します。
  The team submits a biweekly progress report.