Movement or actions taken without any fixed course, plan, or basis in reason.

मनमानी गति

English Usage: The particle exhibited arbitrary motion due to the random forces acting upon it.

Hindi Usage: कण ने उसके ऊपर कार्यरत बेतरतीब बलों के कारण मनमानी गति प्रदर्शित की।

A choice made based on personal judgment rather than any specific rule or standard.

A regulation or principle that is based on random choice or personal whim rather than any reason or system.

विशुद्ध विवेकाधीन निर्णय

English Usage: The manager made an arbitrary decision to change the project deadline.

Hindi Usage: प्रबंधक ने परियोजना की समय सीमा बदलने के लिए एक विशुद्ध विवेकाधीन निर्णय लिया।