Describes something that follows a fixed pattern, schedule, or set of rules. Often used for habits, schedules, or orderly processes.
彼は規則的にジムに通っている。
He goes to the gym regularly.
規則的な生活を送ることが健康に良い。
Leading a regular lifestyle is good for your health.
規則的 is a na-adjective meaning 'regular' or 'systematic', often used in formal or abstract contexts, while 規則正しい emphasizes a well-ordered, punctual quality in daily life or physical arrangement.
規則的 means following a regular, predictable pattern, the opposite of ランダム's lack of pattern or order.
規則的 describes something following a fixed, predictable pattern, the direct opposite of 不規則's lack of order.
Formed from 規則 (rule, regulation) + 的 (-like, -ic), a common pattern for creating adjectival nouns.