An interrogative sentence is a type of sentence that asks a question, and it is often used to seek information or clarification from someone. There are many synonyms for the word "interrogative sentence," and some of the most common ones include questioning sentence, inquiring sentence, inquiry sentence, and interrogatory sentence. Other synonyms include query sentence, seeking sentence, investigative sentence, inquiry message, and quiz sentence. Regardless of the specific term used, all of these synonyms reflect the same basic concept of a sentence that asks a question, and they can be used interchangeably in most situations.