Losartan is a type of drug called a sartan that works by stopping a hormone called angiotensin II from activating a receptor in the body, which normally leads to a slight increase in blood pressure. When you take irbesartan, the hormone canât work as well as usual and your blood pressure gets lower as a result.
Meaning. A complainant is someone who makes an accusation of wrongdoing. To make an accusation, you are accusing or blaming someone for a crime. As a complainant, you can be the victim of the wrongdoing or merely a witness. In the previous example, let's say that the noise you heard was a person breaking into a convenience store across the street.
Wiktionary (0.00 / 0 votes) Rate this definition: complaint (Noun). a grievance, problem, difficulty, or concern; the act of complaining. I have no complaints about the quality of his work, but I don't enjoy his company. complaint (Noun). In a civil action, the first pleading of the plaintiff setting out the facts on which the claim is based;The purpose is to give notice to the adversary of the nature and basis of the claim asserted. complaint (Noun).