What is another word for a spent force?
Pronunciation: [ɐ spˈɛnt fˈɔːs] (IPA) 
There are numerous synonyms for the phrase "a spent force," which typically refers to something or someone that has lost its efficacy or usefulness. Some common alternatives include "worn out," "depleted," "exhausted," "overused," "useless," "obsolete," "spent," "outdated," and "ineffectual." More informal synonyms might include "washed-up," "past its prime," or "has-been." Each of these synonyms carries slightly different connotations or implications, but they all convey some sense of a decline or loss of power. Whether describing a product, a team, or an individual, using one of these synonyms can quickly and effectively communicate the idea that something has outlived its usefulness.
