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English definition of “first”

first

adverb     /ˈfɜːst/ US  /ˈfɝːst/
A1 before all others in order , time , amount , quality , or importance : Tom came first in the race . Who finished first? If you get home first, can you put the kettle on?Before, after and alreadyAfter and behind B1 for the first time : When did you first meet each other? The company was still very small when I first joined .First and firstly A2 (also firstly) used at the beginning of a list of things you want to say or write: First, I want to thank my parents . First (of all) (= before anything else ), I'd like to ask you a few questions .UK First off (= before anything else ), let me introduce myself.First and firstly Grammar:First, firstly or at first?
(Definition of first adverb from the Cambridge Advanced Learner's Dictionary & Thesaurus © Cambridge University Press)
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