deben Learn Unstarted Summary The Spanish translation for “must” is deben. Examples of "must" in use There are 2 examples of the Spanish word for "must" being used: Recording English Spanish Learn The windows must remain closed. Las ventanas deben permanecer cerradas. Learn The applications need to be updated. Las aplicaciones deben actualizarse. Learn Practice Lesson "must" Practice (1) Lesson Learn Lesson words must etc. View all lesson words Lesson phrases This lesson has no phrases. Themed Courses Miscellaneous 20 Acknowledgements Spanish source https://lingopolo.org/spanish/word/soldiers-must-follow-orders Audio Google text-to-speech