A1

A1 A1 also A-1, A-one adjective INSURANCE

in the Lloyds Register Of Shipping, an A1 ship is of the highest quality or in excellent condition; = FIRST CLASS

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A1 UK US adjective

► FINANCE, STOCK MARKET used by ratings agencies (= organizations that calculate the level of risk of investments) to describe bonds, etc. with a very low risk of not being paid back: »

Allied Bank's long-term foreign currency deposit has been rated A1 by Weston Investment Service.

► very good or in the best possible condition: »

The trucks are second-hand but in A1 condition.