If you say that something or someone is first-rate, you mean that they are extremely good and of the highest quality. [approval] People who used his service knew they were dealing with a first-rate professional. Synonyms: excellent, outstanding, first class, exceptional More Synonyms of first-rate.

Whats the meaning of first rate?

(Entry 1 of 2) : of the first order of size, importance, or quality.

What is the meaning of rater?

1 : one that rates specifically : a person who estimates or determines a rating. 2 : one having a specified rating or class —usually used in combination first-rater.