Relevant Cost Definition Relevant Cost Definition: A cost that differs between alternatives in a particular decision. In managerial accounting, this term is synonymous with avoidable cost and differential cost. Other Related Accounting Articles: Differential Cost Definition Avoidable Cost Definition Differential Costs or Incremental cost Relevant Cost Differential Revenue Definition Relevant Costing Technique Incremental Cost Definition Need for Managerial Accounting Information Financial Accounting Yield Definition Recommended Books ! Or Download E accounting book in MS-word format for just 20 $ - Click here to Download Tweet Pin It Abida Rehman Accounting Definitions, Managerial Accounting No Comments Home » Accounting Definitions & Managerial Accounting » Relevant Cost Definition About The Author Abida Leave a Reply Cancel replyYour email address will not be published. Required fields are marked *Comment Save my name, email, and website in this browser for the next time I comment.