Overline refers to a line drawn above a word, phrase, or sentence. This line is commonly used in typography and writing to convey emphasis, importance, or to distinguish a section of text. Some synonyms for the word "overline" include overbar, overscore, superimpose, and overstrike. These terms are often used interchangeably to describe the same concept of a line drawn above text. However, overline is the most commonly used term in typography and publishing. Understanding synonyms for the word "overline" can help writers and designers to use a richer vocabulary and convey their ideas with greater precision.