Septuple is a term that refers to a sevenfold increase or multiplication of something. Synonyms for septuple include seven times, sevenfold, and sevenfold increase. Other words that can be used as alternatives to septuple are multiply by seven, increase by a factor of seven, magnify by seven times, or boost by seven-fold. The term septuple is often used in mathematical and scientific contexts to describe the magnitude of a change or growth. Using synonyms for septuple can help to add variety and clarity to your writing, while also enhancing your vocabulary and communication skills.