The meaning of RATER is one that rates; specifically : a person who estimates or determines a rating. How to use rater in a sentence.

2 meanings: 1. a person or instrument that rates something 2. a person or thing with a designated or specific rating.... Click for more definitions.

A rater is a person who conducts tests, gathers data, and determines a rating for specific applications. They are often responsible for measuring and evaluating quality to improve the …

Jul 26, 2025 · A rater is a professional who conducts testing, gathers data and determines ratings for industry-specific applications. Sometimes called quality analysts or quality evaluators, they …

Dec 3, 2025 · One who provides a rating or assessment. The three raters agreed on the score. From rate (“to scold; berate”) +‎ -er. rater (plural raters) One who rates or scolds. From rata +‎ …

rat•er (ˈreɪ tər) n. a person or thing that is of a specific rating (usu. used in combination): The show's star is a first-rater.

Factsheet What does the noun rater mean? There are two meanings listed in OED's entry for the noun rater. See ‘Meaning & use’ for definitions, usage, and quotation evidence.

rat•er (rā′ tər), n. a person who makes rates or ratings. a person or thing that is of a specific rating (usually used in combination): The show's star is a first-rater. Slang Terms any of various …

Rater refers to someone who evaluates or assesses the quality, performance, or condition of something, often in a systematic way.

Rater definition: One that rates, especially one that establishes a rating.