What is A1 and what does A1 mean? Read about the definition and meaning of A1A1 Add your own definitionA1 is a term for: in good health; physically fitinformal first class; excellentWith hull and equipment in first-class condition Etymology & Origin of A1Similar words A2 A2 level A3Related storiesSee more #categoriesAbbreviationsAfrican wordsArabic wordsCantonese wordsCrypto slangDutch wordsFeaturedFrench wordsGerman wordsHindi wordsItalian wordsJapanese wordsLatin wordsObsolete wordsOld English wordsPolish wordsRare and unusual English wordsRussian wordsSlangSpanish wordsTopicsTurkish wordsWeb3.0 & metaverse wordsWord of the Day