"Old bats" is a derogatory term used to describe elderly women, often in a disrespectful or dismissive way. This term is considered offensive and should be avoided. Instead, there are many alternative words and phrases that can be used to describe older women respectfully and accurately. Some synonyms to consider include "elders," "seniors," "veterans," "golden-agers," and "matriarchs." Each of these words conveys a sense of respect and honor for the wisdom and experience that comes with age. If you want to be respectful and avoid offending anyone, it's best to choose your words carefully when describing older women.