definition endearment
noun. A father kisses his babys foot in an act of endearment. A father kisses his babys foot in an act of endearment. Endearment is defined as affection, or to words used to express affection. 1  The love you feel for friends, family or pets is an example of endearment. 2  The nickname love or sweety are examples of endearments. 3  an endearing or being endeared; affection. 4  a word or act expressing affection.