"Longer than broad" is a descriptive term that refers to an object or shape that has a length greater than its width. There are several synonyms that can be used to convey the same meaning, such as "elongated," "narrow," "slender," "oblong," "rectangular," "outre," and "linear." These words are often used interchangeably while describing various objects like buildings, lakes, and even human body parts. For example, an elongated fruit like a banana, a narrow alleyway, a slender neck, or a rectangular-shaped TV screen. Using synonyms can help to avoid repetition and to add variety and nuance to one's descriptions to keep the reader engaged.