The term "grass widow" is a derogatory term that refers to women who are separated from their husbands and left alone to raise their children. This term is outdated and offensive, which is why it is important to use other synonyms when referring to these women. Some of the common synonyms for "grass widow" include "divorced," "single mother," "single parent," "abandoned wife," and "separated." Using any of these terms can help to avoid the negative connotations associated with "grass widow" and show respect to these strong and independent women who are working hard to provide for themselves and their families.