The term 'lowest-acceptable' can be defined as the least amount of quality or quantity that is considered acceptable. It is often used in job descriptions to refer to the MINIMUM qualifications or requirements for a position. The crossword solutions for this term are MINIMUM, which is seven letters long. Therefore, the term 'lowest-acceptable' can be summed up as the least amount of quality or quantity that is considered acceptable, and it is represented by the word 'MINIMUM'.