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.
- Ruby Murray
- ruby-necked
- ruby port
- ruby-red
- ruby-ripe
- ruby rock
- ruby silver
- ruby spinel
- ruby sulfur
- ruby sulphur
- ruby-sweet
- ruby-tail
- ruby-tailed wasp
- ruby-tail wasp
- rubythroat
- ruby-throated
- ruby-throated hummingbird
- ruby tiger
- ruby topaz
- ruby-topaz hummingbird
- ruby wedding
- ruby wedding anniversary
- ruby wood
- ruby zinc
- Rubéniste