A1 
adjective informal
1Very good or well; excellent: guitar, A1 condition...
- Last season's Grand National-winning jockey returned to the saddle at Catterick yesterday and reported himself to be in 'A1' condition.
- The car's build quality is A1, but the ride is jiggly on less than good road surfaces.
- All values relate to showroom prices for cars in A1 condition.
1.1(Of a vessel in Lloyd’s Register of Shipping) equipped to the highest standard; first-class.Built by the Dublin Dockyard Company in 1923, Lloyd's of London graded her 'A1' up to 1950.
- trade barrier
- trade binding
- trade bloc
- Trade Board
- trade book
- trade bound
- trade card
- trade coin
- trade counter
- tradecraft
- trade credit
- trade cumulus
- trade cycle
- trade debt
- trade deficit
- trade description
- Trade Descriptions Act
- traded-in
- trade dinner
- trade discount
- trade dispute
- trade dollar
- traded option
- trade down (or up)
- trade dress