fit (one) for (something) 1. The term implies that quality is a subjective or situational term that can only be defined in terms of the goals of an organization, individual or set of individuals such as the customers of a business. To measure one's body for an article of clothing (to ensure that it will fit well). Also called fitness to use. Definition; FFU: For Future Use: FFU: Final Fantasy Unlimited (Anime) FFU: Fit for Use: FFU: Filter Fan Unit (cleanliness) FFU: Forschungsstelle für Umweltpolitik (Environmental Policy Research Unit, Free University of Berlin) FFU: Fast File Undelete: FFU: Fan Filter Unit (cleanrooms) FFU: Feriening Frysk Underwiis (German; Frisian education association; Netherlands) FFU Fit for purpose is a common term to describe the ideal level of quality for products, services, processes or information. Here are all the possible meanings and translations of the word fit for purpose. clothes suitable for camping meet suggests a just proportioning Wiktionary (2.00 / 2 votes)Rate this definition: fit for purpose (Adjective) appropriate, and of … Effectiveness of a design, manufacturing method, and support process employed in delivering a good, system, or service that fits a customer's defined purpose, under anticipated or specified operational conditions. fit for battle suitable implies an answering to requirements or demands. Here’s a brief look at its history and usage. fit, suitable, meet, proper, appropriate, fitting, apt, happy, felicitous mean right with respect to some end, need, use, or circumstance. Fit for purpose was one of the top UK searches on Macmillan Dictionary in October. The adjective fit has several meanings; the one that applies here is: “of a good enough standard for someone or something”. Don't worry, the seamstress is coming today to fit you for your dress. The following are a few examples of potential fit for purpose criteria: fit stresses adaptability and sometimes special readiness for use or action.