1.
principle; general rule
A fundamental rule or standard that guides actions or decisions.
この原則に従うべきだ。
We should follow this principle.
基本原則を守ることが大切だ。
It is important to uphold basic principles.
国際法の原則に基づいて行動しなければならない。
We must act based on the principles of international law.
2.
as a rule; in principle
Used adverbially to indicate what is generally the case, implying that exceptions may exist.
会議は原則月曜日に行う。
Meetings are held on Mondays as a rule.
原則として返品はできません。
As a rule, returns are not accepted.
参加は原則無料ですが、一部のイベントは有料です。
Participation is free as a rule, but some events require a fee.
When used adverbially (sense 2), it often appears as 原則として or on its own before a statement. This usage implies 'this is the general rule, but exceptions may apply.' Very common in rules, regulations, and official notices.
COMMON COLLOCATIONS:
- 原則として: as a rule, in principle
- 基本原則: basic principle
- 原則に従う: to follow a principle
- 原則禁止: prohibited in principle