Explanation
Expresses 'roughly', 'approximately', or 'almost'.
Formation
だいたい + Number/Amount/Percentage
Detailed explanation
The だいたい〜 (daitai〜) grammar point is used to express a rough estimate or generalization, meaning 'roughly', 'approximately', or 'almost' in English. It can be used before numbers, amounts, or percentages to show that the value is not exact.
Examples
だいたい１００人がパーティーに参加しました。
Daitai hyaku-nin ga paatii ni sanka shimashita.
Approximately 100 people attended the party.
彼女はだいたい２時間でその仕事を終えます。
Kanojo wa daitai ni-jikan de sono shigoto o oemasu.
She finishes that work in roughly two hours.
だいたい８０％の生徒が試験に合格しました。
Daitai hachijuu-paasento no seito ga shiken ni goukaku shimashita.
About 80% of the students passed the exam.
今日はだいたい３０度の暑さです。
Kyou wa daitai sanjuu-do no atsusa desu.
Today is almost 30 degrees hot.
Practice
Grammar content sourced from hanabira.org.